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ATA 20 Aircraft Systems 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 – Aircraft Systems, one of which refers specifically to the components listed under ATA Chapter 20. 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 Aircraft Systems or other ATA names, Aviation Parts Circuit is your one-stop-shop. We specializes in supplying ATA chapters parts of ATA 20 under ATA Group Aircraft Systems.


Part No Description ATA Number ATA Chapter RFQ
21-253-472 washer 20 Standard Practices- Airframe RFQ
79212-175 nut 20 Standard Practices- Airframe RFQ
ABS0772A01A clip-locking 20 Standard Practices- Airframe RFQ
ABS0772A02A clip-locking 20 Standard Practices- Airframe RFQ
ABS0772B01A clip-locking 20 Standard Practices- Airframe RFQ
ABS0772B02A clip-locking 20 Standard Practices- Airframe RFQ
AN924-12D nut,hexagon-aluminum 20 Standard Practices- Airframe RFQ
ASNA2553-0401 washer-locking 20 Standard Practices- Airframe RFQ
E0736N08-01 screw 20 Standard Practices- Airframe RFQ
NAS6203-7 bolt 20 Standard Practices- Airframe RFQ
NAS6203-7 bolt-hexagon head,steel 20 Standard Practices- Airframe RFQ
NSA931320-030 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931320-050 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931320-075 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931320-100 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931320-150 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931322-050 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931322-075 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931322-100 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931322-150 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931322-250 circuit breaker 20 Standard Practices- Airframe RFQ
NSA931326A0 cap 20 Standard Practices- Airframe RFQ
NSA931326A2 cap 20 Standard Practices- Airframe RFQ
NSA931326A4 cap 20 Standard Practices- Airframe RFQ
NSA931326A8 cap 20 Standard Practices- Airframe RFQ
NSA931326B0 cap 20 Standard Practices- Airframe RFQ
NSA931326B2 cap 20 Standard Practices- Airframe RFQ
NSA931326B4 cap 20 Standard Practices- Airframe RFQ
NSA931326B8 cap 20 Standard Practices- Airframe RFQ
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