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 6685-00-901-8712
NSN 5905-01-158-0624
NSN 5975-00-816-0266
NSN 5950-00-009-1341
NSN 5945-00-867-5627
NSN 6135-01-020-3805
NSN 6130-00-148-8784
NSN 5960-00-243-2216
NSN 6110-00-004-8883
NSN 6320-01-582-6752
NSN 6685-01-567-6779
NSN 5965-01-187-4008