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 5960-01-098-8437
NSN 6620-00-058-1533
NSN 5855-01-657-7657
NSN 6220-01-587-9932
NSN 5905-00-827-0728
NSN 5990-00-373-9787
NSN 6105-00-059-3451
NSN 5999-01-517-0241
NSN 6650-01-179-9349
NSN 5920-00-215-5642
NSN 6105-00-216-8866
NSN 6320-00-450-7014