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 6150-01-023-8630
NSN 5930-01-006-8473
NSN 6610-01-316-8902
NSN 5905-00-902-5923
NSN 6320-01-378-6191
NSN 6645-00-226-2270
NSN 6105-00-149-7956
NSN 4140-00-044-1329
NSN 6650-01-528-6563
NSN 5975-01-311-3073
NSN 5950-01-511-9911
NSN 6650-00-991-8434