Alt matl -9/-10 may be fab. From 3.5 x 4 x 9 pl stock, spec fms-3002-t851 mach as shown; dim are stocksize
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 5895-00-427-9617
NSN 6650-00-834-9062
NSN 6645-01-422-9672
NSN 6645-01-223-7274
NSN 5990-00-170-9553
NSN 6650-01-327-5113
NSN 5945-01-065-5793
NSN 5960-00-368-4084
NSN 5975-01-376-4966
NSN 5835-01-310-8979
NSN 2925-01-472-4144
NSN 5960-01-424-0590