Material 7075 al per qq-a-367 comp 7075 temper t73 precision die forging-may be fabricated from fms-3002-t851. Must be ultrasonic insp per mil-i-8950cl- opposite 16w113-23- finish a427 make from 16w113-22
A vertical, relatively short, rib located in a fuselage, nacelle, pod, and the like. It follows the periphery and provides additional rigidity. It may join various components such as stringers, longerons, and the like. It is supplementary to the frames and blukheads. See also rib (1), airfoil.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 6610-00-008-4075
NSN 6130-01-165-4616
NSN 5905-00-277-7439
NSN 5855-00-688-9954
NSN 5996-01-521-4007
NSN 6145-01-409-1685
NSN 5975-01-213-6333
NSN 6650-01-227-6032
NSN 6110-01-630-5572
NSN 5998-01-182-6507
NSN 6145-00-879-4739
NSN 5935-00-142-0423