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 6620-00-873-9825
NSN 6105-01-464-4388
NSN 5930-00-490-1594
NSN 5915-01-422-0564
NSN 6320-01-564-0893
NSN 5996-00-420-4095
NSN 6645-01-277-8346
NSN 5910-00-285-6400
NSN 6130-01-578-6832
NSN 5915-01-487-7703
NSN 5960-01-108-2984
NSN 5999-01-054-2954