No other part numbers with same form, fit, and function found.
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Classification: Nuts of iron or steel
NSN 4140-01-475-6839
NSN 6150-01-239-1143
NSN 6220-01-127-8761
NSN 6220-01-323-4236
NSN 5950-01-293-1210
NSN 5975-01-605-3260
NSN 5985-00-928-1591
NSN 6650-01-313-7460
NSN 6320-00-925-0558
NSN 6130-01-149-8978
NSN 6130-01-458-1282
NSN 5950-00-054-6777