Used on aircraft ch-47; family of hemtt vehicles (heavy expanded mobility tactical trucks);2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system). 3a external thread class right-hand external cadmium surface treated nptf external thread series
2a external thread class right-hand external 0.578" overall length plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unc external thread series
3a all ends thread class 3.290" overall length double threaded bulkhead on first end anodize body surface treated male coupling half unf all ends thread series
Used on engine, aircraft, f100-pw-200 (f-16a/b/c/d). 3a 2nd end thread class 1 3rd end bolt hole quantity u/o F100-pw-200 eng; weapon system essential unjf 2nd end thread series
3a external thread class right-hand external 0.641" overall length passivate surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unjf external thread series