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 6130-00-356-4157
NSN 2925-01-408-6205
NSN 6610-01-476-7412
NSN 5905-01-273-2197
NSN 4140-01-298-5099
NSN 6645-00-274-5670
NSN 5985-01-630-9735
NSN 5905-01-044-9116
NSN 5975-01-462-4460
NSN 5855-01-308-0955
NSN 7035-01-625-5680
NSN 5905-00-076-4301