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 6220-01-549-9584
NSN 6320-00-394-8458
NSN 6240-01-555-8649
NSN 5965-01-251-9480
NSN 4140-00-272-6538
NSN 2925-00-081-3547
NSN 6650-01-242-8086
NSN 5835-00-247-0161
NSN 5855-01-649-7398
NSN 5925-01-210-1678
NSN 6320-01-198-4024
NSN 4140-00-170-1567