A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6220-01-271-2678
NSN 6150-01-032-4161
NSN 6110-01-406-4818
NSN 4140-01-500-2334
NSN 5905-01-384-2789
NSN 5930-01-093-0013
NSN 6650-00-234-3275
NSN 6135-00-982-1882
NSN 6645-00-905-7258
NSN 5985-01-240-5388
NSN 6135-01-341-5324
NSN 5990-01-048-9536