Matl must meet cl a ultrasonic insp req per mil-8950; alt matl may be fabricated from 4 x 6 x 8 plate stock specification fms 3002-t851
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 5835-01-502-9228
NSN 6130-01-392-2198
NSN 5835-01-535-0948
NSN 2925-00-795-4063
NSN 6320-00-731-6134
NSN 5925-01-535-6842
NSN 5999-00-581-3974
NSN 4140-01-432-1447
NSN 6105-01-347-7941
NSN 5925-01-571-7883
NSN 5925-01-406-5626
NSN 6130-01-591-2641