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 6645-00-108-6479
NSN 5999-00-903-5656
NSN 5935-00-929-3346
NSN 5998-01-407-1349
NSN 6110-00-486-0514
NSN 4140-00-021-7645
NSN 5905-01-328-5863
NSN 5905-01-517-5645
NSN 6220-01-463-9255
NSN 5925-00-532-1112
NSN 5910-01-037-8923
NSN 5945-00-363-9481