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 5985-01-462-1670
NSN 6620-01-440-1579
NSN 5990-00-572-1419
NSN 5910-00-142-9204
NSN 5915-01-473-7193
NSN 5975-00-514-8614
NSN 5996-01-044-6241
NSN 5950-01-152-1271
NSN 6320-01-512-2031
NSN 6135-00-891-4944
NSN 6650-00-035-9297
NSN 5910-00-764-7239