Hardness rating for cradle is rockwell c 37-43
A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.
Classification: Nuts of iron or steel
NSN 5910-00-303-8796
NSN 5975-00-472-7778
NSN 5975-01-232-2238
NSN 6610-01-023-1918
NSN 5996-01-604-8629
NSN 5855-00-885-8452
NSN 5999-01-161-3557
NSN 5835-00-892-3510
NSN 5950-00-338-3894
NSN 5996-01-610-2233
NSN 5960-01-242-5297
NSN 5835-00-279-2887