A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6150-01-123-1838
NSN 5920-00-902-0761
NSN 5965-00-673-5379
NSN 6645-00-775-2172
NSN 5996-01-339-2920
NSN 5998-00-145-4001
NSN 5930-01-373-8258
NSN 6610-01-599-4462
NSN 7035-00-166-0339
NSN 5975-00-022-4457
NSN 6105-01-605-0139
NSN 6110-01-010-0293