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 4140-01-029-2814
NSN 5965-01-458-2412
NSN 5905-00-871-0139
NSN 5935-01-121-2203
NSN 5999-00-420-7735
NSN 5935-01-335-8117
NSN 6105-01-016-2720
NSN 5910-01-651-9434
NSN 7035-01-618-4969
NSN 4140-00-085-1355
NSN 5998-00-187-0395
NSN 5990-01-432-4984