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 5915-01-453-6152
NSN 5855-00-532-0025
NSN 6145-01-602-9331
NSN 5935-00-951-5044
NSN 5975-01-371-3916
NSN 6320-00-004-9158
NSN 6610-00-921-1066
NSN 5925-01-150-4465
NSN 5910-00-620-4727
NSN 5895-01-039-0562
NSN 6685-00-938-3984
NSN 6105-00-338-9436