Electric contacts
Electric connectors
Seatings
Temperature
Environment (working)
Dimensions
Flanges
Surface treatment
Designations
Aircraft components
Circular shape
Locknuts
Electrical components
Threaded components
Electric sockets
Link: BS EN 3645-009:2019 Aerospace series. Connectors, electrical, circular, scoop-proof, triple start threaded coupling, operating temperature 175 °C or 200 °C continuous Receptacle, round flange, jam nut mounting. Product standard
Source: BSI Standards