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 6650-01-412-1040
NSN 5930-00-104-3605
NSN 4140-01-426-8428
NSN 5915-00-074-0142
NSN 6645-00-780-5260
NSN 2925-00-402-5582
NSN 6130-01-381-1046
NSN 6110-01-147-9695
NSN 5950-00-459-7875
NSN 5985-01-334-6858
NSN 6105-00-903-6789
NSN 6240-01-577-6745