U/a: rib assembly; opposite -40
A principal chordwise rib that gives cross-sectional shape, strength and rigidity to a portion of a wing, stabilizer, and the like. See also rib (1), stiffener, aircraft
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 6620-01-569-4621
NSN 5945-00-591-2246
NSN 6110-01-603-4571
NSN 4140-00-725-7023
NSN 6320-01-397-9995
NSN 6105-01-328-2249
NSN 6620-00-553-8988
NSN 2925-00-947-3181
NSN 5855-01-622-3894
NSN 6320-01-539-3156
NSN 5920-00-269-4060
NSN 5998-01-627-3095