No other part numbers with same form, fit, and function found.
A plain nut on which has been assembled a nonremovable washer.
NSN 6135-00-660-8654
NSN 5975-01-167-3934
NSN 6685-01-237-7491
NSN 6135-00-309-0074
NSN 5930-00-377-6799
NSN 5965-01-007-9757
NSN 5930-00-546-0837
NSN 5975-00-189-0093
NSN 5835-00-957-3565
NSN 6135-01-380-4396
NSN 6145-00-113-3911
NSN 6130-01-162-4989