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ATA 51 Structure Parts Catalog - Explore Now

The ATA numbering system, also known as the Air Transport Association (ATA) chapters, is a widely recognized and standardized system used in the aviation industry to document parts, components, and entire commercial aircraft. This system, like many others in the aerospace industry, serves to provide a common understanding for pilots, maintenance technicians, engineers, and others involved in aircraft operations.

The ATA 100 system is divided into several sections, with one of them being the ATA Group. Each group contains specific ATA chapters such as ATA Group – Structure, one of which refers specifically to the components listed under ATA Chapter 51. It’s provide important information on aircraft systems such as electrical power, fire protection, fuel, navigation, hydraulic, and more. If you’re in search of ATA Structure or other ATA names, Aviation Parts Circuit is your one-stop-shop. We specializes in supplying ATA chapters parts of ATA 51 under ATA Group Structure.


Part No Description ATA Number ATA Chapter RFQ
457U2800-176 tube 51 Standard Practices And Structures - General RFQ
457U2800-37 tube 51 Standard Practices And Structures - General RFQ
147A5111-3 spud assy 51 Standard Practices And Structures - General RFQ
BACF3F008C088NN filler 51 Standard Practices And Structures - General RFQ
BCREF78496 support assy 51 Standard Practices And Structures - General RFQ
BACB30MR9A18 bolt 51 Standard Practices And Structures - General RFQ
65B19048-4 drain instl 51 Standard Practices And Structures - General RFQ
BCREF82935 gutter assy 51 Standard Practices And Structures - General RFQ
116U6125-1 rib assy 51 Standard Practices And Structures - General RFQ
747-53-2664NC0111-1 fitting 51 Standard Practices And Structures - General RFQ
65B14867-72 seal 51 Standard Practices And Structures - General RFQ
284U1136-3 plenum assy 51 Standard Practices And Structures - General RFQ
232N1003-3 threshold 51 Standard Practices And Structures - General RFQ
65B63851-156 bracket assy 51 Standard Practices And Structures - General RFQ
287U0092-5 retainer 51 Standard Practices And Structures - General RFQ
BCREF70741 fitting 51 Standard Practices And Structures - General RFQ
457U2800-106 tube 51 Standard Practices And Structures - General RFQ
116U6128-6 rib assy 51 Standard Practices And Structures - General RFQ
747-53-2517NC0106-2 fitting 51 Standard Practices And Structures - General RFQ
457U2801-24 tube 51 Standard Practices And Structures - General RFQ
147A5111-10 tube 51 Standard Practices And Structures - General RFQ
451U3004-42 tube 51 Standard Practices And Structures - General RFQ
65B17459-38 sub kit assy 51 Standard Practices And Structures - General RFQ
FT996 fitting 51 Standard Practices And Structures - General RFQ
65B63857-135 tube 51 Standard Practices And Structures - General RFQ
116U6225-10 rib 51 Standard Practices And Structures - General RFQ
232N1003-2 threshold 51 Standard Practices And Structures - General RFQ
747-24-2272-0115-1 angle 51 Standard Practices And Structures - General RFQ
BCREF75557 fitting 51 Standard Practices And Structures - General RFQ
BACF3H09XT009HN filler 51 Standard Practices And Structures - General RFQ
BACR15FT5D4R5C rivet 51 Standard Practices And Structures - General RFQ
BCREF55657 plate 51 Standard Practices And Structures - General RFQ
65B63855-13 tube 51 Standard Practices And Structures - General RFQ
451U3004-48 tube 51 Standard Practices And Structures - General RFQ
116U6229-6 rib 51 Standard Practices And Structures - General RFQ
65B63345-11 bracket assy 51 Standard Practices And Structures - General RFQ
116U6128-2 rib assy 51 Standard Practices And Structures - General RFQ
65B63852-1 pan 51 Standard Practices And Structures - General RFQ
116U6228-3 rib 51 Standard Practices And Structures - General RFQ
112U4010-41 bracket 51 Standard Practices And Structures - General RFQ
IT4350-273 hose 51 Standard Practices And Structures - General RFQ
451U3004-32 tube 51 Standard Practices And Structures - General RFQ
747-53-2718RT654NC01 tube assy 51 Standard Practices And Structures - General RFQ
217U1416-11 bottom assy 51 Standard Practices And Structures - General RFQ
BACC10DW212D clamp 51 Standard Practices And Structures - General RFQ
116U3230-2 filler 51 Standard Practices And Structures - General RFQ
284U1902-12 pan assy 51 Standard Practices And Structures - General RFQ
BCREF119568 duct 51 Standard Practices And Structures - General RFQ
116U5130-138 vapor barrier assy 51 Standard Practices And Structures - General RFQ
457U2801-120 tube 51 Standard Practices And Structures - General RFQ
65B62027-62 bracket assy 51 Standard Practices And Structures - General RFQ
2709813-1JL fitting 51 Standard Practices And Structures - General RFQ
747-53-2609NC0125-2 fitting 51 Standard Practices And Structures - General RFQ
BACG20Z-A000444 grommet 51 Standard Practices And Structures - General RFQ
69B15335-1 collector assy 51 Standard Practices And Structures - General RFQ
116U6126-9 rib assy 51 Standard Practices And Structures - General RFQ
143N5501-5 tube 51 Standard Practices And Structures - General RFQ
217U1435-5 duct 51 Standard Practices And Structures - General RFQ
65B63880-3 doubler assy 51 Standard Practices And Structures - General RFQ
B0E2013-0261 hose 51 Standard Practices And Structures - General RFQ
116U5230-213 plate 51 Standard Practices And Structures - General RFQ
631-10135-16 reinforcement 51 Standard Practices And Structures - General RFQ
457U2800-70 tube 51 Standard Practices And Structures - General RFQ
631-10135-13 leg 51 Standard Practices And Structures - General RFQ
845B2102-32 support assy 51 Standard Practices And Structures - General RFQ
116U5130-77 hinge assy 51 Standard Practices And Structures - General RFQ
116U6126-10 rib assy 51 Standard Practices And Structures - General RFQ
65B17460-14 valve assy 51 Standard Practices And Structures - General RFQ
140W2815-4 mast 51 Standard Practices And Structures - General RFQ
65B63855-11 tube 51 Standard Practices And Structures - General RFQ
BACR15BA9D5C rivet 51 Standard Practices And Structures - General RFQ
BACB28AZ13A074C bushing 51 Standard Practices And Structures - General RFQ
457U2800-54 tube 51 Standard Practices And Structures - General RFQ
457U2801-2 tube 51 Standard Practices And Structures - General RFQ
451U3004-50 tube 51 Standard Practices And Structures - General RFQ
IT-4350-643 hose 51 Standard Practices And Structures - General RFQ
116U3230-137 filler 51 Standard Practices And Structures - General RFQ
457U2801-32 tube 51 Standard Practices And Structures - General RFQ
69B64002-4 fitting assy 51 Standard Practices And Structures - General RFQ
BACD40AB08C0180A duct 51 Standard Practices And Structures - General RFQ
143N5441-23 tube 51 Standard Practices And Structures - General RFQ
457U2815-29 bracket assy 51 Standard Practices And Structures - General RFQ
457U2800-84 tube 51 Standard Practices And Structures - General RFQ
141N5272-5 retainer 51 Standard Practices And Structures - General RFQ
BACB30MR8A20 bolt 51 Standard Practices And Structures - General RFQ
747-25-3479-0032-1 bracket assy 51 Standard Practices And Structures - General RFQ
287U0029-6 clip assy 51 Standard Practices And Structures - General RFQ
284U1135-54 gutter assy 51 Standard Practices And Structures - General RFQ
BCREF70009 fitting 51 Standard Practices And Structures - General RFQ
116U3130-17 panel assy 51 Standard Practices And Structures - General RFQ
65B17459-4 weld assy 51 Standard Practices And Structures - General RFQ
BACS12CK3-19 screw 51 Standard Practices And Structures - General RFQ
457U2800-57 tube 51 Standard Practices And Structures - General RFQ
BCREF68710 fitting 51 Standard Practices And Structures - General RFQ
140W2810-1 valve assy 51 Standard Practices And Structures - General RFQ
69B10057-1 bushing 51 Standard Practices And Structures - General RFQ
65B04221-18 tube 51 Standard Practices And Structures - General RFQ
MS20253P3-1193L pin 51 Standard Practices And Structures - General RFQ
457U2815-16 bracket 51 Standard Practices And Structures - General RFQ
631-10135-21 support 51 Standard Practices And Structures - General RFQ
217U1207-11 cap assy 51 Standard Practices And Structures - General RFQ
116U6223-2 rib 51 Standard Practices And Structures - General RFQ
BCREF89197 channel 51 Standard Practices And Structures - General RFQ
BCREF70847 bracket assy 51 Standard Practices And Structures - General RFQ
65B14867-4 tube 51 Standard Practices And Structures - General RFQ
140W2815-1 mast assy 51 Standard Practices And Structures - General RFQ
65B62027-61 bracket assy 51 Standard Practices And Structures - General RFQ
B0E2012-0007 seal 51 Standard Practices And Structures - General RFQ
140N2810-13 tube 51 Standard Practices And Structures - General RFQ
65B26632-1 tube 51 Standard Practices And Structures - General RFQ
65B19048-7 filler 51 Standard Practices And Structures - General RFQ
65B14867-71 seal 51 Standard Practices And Structures - General RFQ
143N5441-36 fitting 51 Standard Practices And Structures - General RFQ
65B48056-42 tube assy 51 Standard Practices And Structures - General RFQ
65B26633-83 tube 51 Standard Practices And Structures - General RFQ
747-25-3444-0053-1 bracket assy 51 Standard Practices And Structures - General RFQ
146N3805-8 corner 51 Standard Practices And Structures - General RFQ
116U6290-9 fitting 51 Standard Practices And Structures - General RFQ
116U5230-191 plate 51 Standard Practices And Structures - General RFQ
BCREF71557 fitting 51 Standard Practices And Structures - General RFQ
BACB2D017D2B0UW bracket 51 Standard Practices And Structures - General RFQ
BCREF71633 angle 51 Standard Practices And Structures - General RFQ
BCREF59776 tube 51 Standard Practices And Structures - General RFQ
65B17445-3 fitting instl 51 Standard Practices And Structures - General RFQ
015U1854-100 tube 51 Standard Practices And Structures - General RFQ
116U5230-166 filler 51 Standard Practices And Structures - General RFQ
65B26633-56 tube 51 Standard Practices And Structures - General RFQ
287U0092-8 retainer 51 Standard Practices And Structures - General RFQ
BACB30US9K26 bolt 51 Standard Practices And Structures - General RFQ
451U3004-41 tube 51 Standard Practices And Structures - General RFQ
BCREF78585 spud assy 51 Standard Practices And Structures - General RFQ
457U2815-69 bracket 51 Standard Practices And Structures - General RFQ
657N4421-1 angle assy 51 Standard Practices And Structures - General RFQ
284U1128-52 bracket 51 Standard Practices And Structures - General RFQ
457U2800-48 tube 51 Standard Practices And Structures - General RFQ
451U3004-34 tube 51 Standard Practices And Structures - General RFQ
116U6124-5 rib assy 51 Standard Practices And Structures - General RFQ
457U2800-154 tube 51 Standard Practices And Structures - General RFQ
65B63855-9 tube 51 Standard Practices And Structures - General RFQ
69B64002-3 tube 51 Standard Practices And Structures - General RFQ
65B26633-57 tube 51 Standard Practices And Structures - General RFQ
143N5441-31 tube 51 Standard Practices And Structures - General RFQ
284U1104-24 tube 51 Standard Practices And Structures - General RFQ
284U1135-21 gutter 51 Standard Practices And Structures - General RFQ
RR47032-152-4 panel 51 Standard Practices And Structures - General RFQ
457U2800-24 tube 51 Standard Practices And Structures - General RFQ
457U2800-13 tube 51 Standard Practices And Structures - General RFQ
457U2800-51 tube 51 Standard Practices And Structures - General RFQ
65B17459-49 basin assy 51 Standard Practices And Structures - General RFQ
284U1901-12 dam 51 Standard Practices And Structures - General RFQ
65B17460-3 seal 51 Standard Practices And Structures - General RFQ
457U2800-45 tube 51 Standard Practices And Structures - General RFQ
140A3100-1 retainer instl 51 Standard Practices And Structures - General RFQ
116U6220-4 rib 51 Standard Practices And Structures - General RFQ
65B50415-63 tube 51 Standard Practices And Structures - General RFQ
65B48056-48 tube assy 51 Standard Practices And Structures - General RFQ
457U2801-4 tube 51 Standard Practices And Structures - General RFQ
457U2800-40 tube 51 Standard Practices And Structures - General RFQ
451U3004-8 tube 51 Standard Practices And Structures - General RFQ
65B17416-10 clip 51 Standard Practices And Structures - General RFQ
116U6116-2 rib assy 51 Standard Practices And Structures - General RFQ
457U2801-88 tube 51 Standard Practices And Structures - General RFQ
814B2568-4 support 51 Standard Practices And Structures - General RFQ
457U2800-43 tube 51 Standard Practices And Structures - General RFQ
BACF3F008N040NN filler 51 Standard Practices And Structures - General RFQ
457U2815-54 hinge 51 Standard Practices And Structures - General RFQ
BACB30KK6-5 bolt 51 Standard Practices And Structures - General RFQ
65B63857-157 tube assy 51 Standard Practices And Structures - General RFQ
65B48056-33 tube 51 Standard Practices And Structures - General RFQ
457U2801-16 tube 51 Standard Practices And Structures - General RFQ
457U2801-19 tube 51 Standard Practices And Structures - General RFQ
141T4930-3 fitting 51 Standard Practices And Structures - General RFQ
457U2800-15 tube 51 Standard Practices And Structures - General RFQ
116U5230-163 filler 51 Standard Practices And Structures - General RFQ
457U2800-133 tube 51 Standard Practices And Structures - General RFQ
141N5272-2 retainer 51 Standard Practices And Structures - General RFQ
65B63857-28 tube 51 Standard Practices And Structures - General RFQ
C747-53-2655-0150-1 plate 51 Standard Practices And Structures - General RFQ
65B26633-24 tubing 51 Standard Practices And Structures - General RFQ
65B17446-4 tube 51 Standard Practices And Structures - General RFQ
RR47026-166-1 seal 51 Standard Practices And Structures - General RFQ
457U2800-63 tube 51 Standard Practices And Structures - General RFQ
BCREF84737 gutter assy 51 Standard Practices And Structures - General RFQ
65B63345-26 bracket assy 51 Standard Practices And Structures - General RFQ
BACB30YP5K13 bolt 51 Standard Practices And Structures - General RFQ
284U1136-7 plenum assy 51 Standard Practices And Structures - General RFQ
457U2800-9 tube 51 Standard Practices And Structures - General RFQ
116U6120-2 rib assy 51 Standard Practices And Structures - General RFQ
747-25-3418-0017-1 bracket assy 51 Standard Practices And Structures - General RFQ
116U6120-3 rib assy 51 Standard Practices And Structures - General RFQ
141N5270-33 tube fitting 51 Standard Practices And Structures - General RFQ
BACF3F015T042NN shim 51 Standard Practices And Structures - General RFQ
0207-0063-0100 hose 51 Standard Practices And Structures - General RFQ
747-53-2668NC0186-2 fitting 51 Standard Practices And Structures - General RFQ
65B17416-15 tank 51 Standard Practices And Structures - General RFQ
BACF3F015J022AN filler 51 Standard Practices And Structures - General RFQ
747-53-2797NC0077-1 fitting 51 Standard Practices And Structures - General RFQ
BAC10KB3F nut plate 51 Standard Practices And Structures - General RFQ
284U1104-10 gutter assy 51 Standard Practices And Structures - General RFQ
141T4929-3 fitting 51 Standard Practices And Structures - General RFQ
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