Barrel rockwell c scale 38 min and @rockwell c scale 42 max
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 5950-01-016-1197
NSN 5855-01-611-4213
NSN 2925-01-063-7876
NSN 5910-00-299-2685
NSN 6645-01-383-8139
NSN 5990-00-484-3189
NSN 6610-00-367-9603
NSN 6620-00-411-4983
NSN 6220-01-025-6140
NSN 5935-00-614-3962
NSN 5960-00-099-9790
NSN 5910-01-329-6262