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 5965-00-104-3121
NSN 5998-00-909-2415
NSN 5960-00-971-8432
NSN 6240-01-489-5806
NSN 6620-01-225-4996
NSN 6110-00-999-1592
NSN 6220-00-452-5308
NSN 5950-01-274-9211
NSN 5965-01-535-4847
NSN 6135-00-152-8729
NSN 6610-00-398-0104
NSN 6685-01-289-2988