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 6130-01-172-9489
NSN 5965-00-243-9496
NSN 6130-00-227-2124
NSN 5998-01-224-7900
NSN 5855-01-478-6583
NSN 2925-01-250-2731
NSN 5965-01-654-8059
NSN 5895-01-616-8800
NSN 6610-00-051-4139
NSN 2925-01-594-3583
NSN 5930-01-570-4101
NSN 6220-01-169-6478