Used on av-8 aircraft. 3b thread class right-hand flat head style 28 thread quantity per inch 0.189 in. w btwn flats, internal drive aluminum surface treated
Used on 5865-01-008-6626. 3b thread class right-hand flat countersunk head style 32 thread quantity per inch knurled, body od reduced beyond knurl passivate surface treated
Used on av-8 aircraft. 3b thread class right-hand flat head style 28 thread quantity per inch 0.189 in. w btwn flats, internal drive aluminum surface treated