A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 5999-01-657-5199
NSN 5930-00-671-0829
NSN 5930-00-579-2281
NSN 6650-01-014-5990
NSN 6240-00-054-3661
NSN 5905-00-350-6247
NSN 6685-01-352-3204
NSN 5920-01-204-0449
NSN 5910-01-358-6493
NSN 5996-01-252-8275
NSN 2925-01-560-4123
NSN 6645-00-589-0143