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 7035-00-232-4043
NSN 5996-01-503-0742
NSN 6150-00-141-0293
NSN 5985-01-462-5931
NSN 5855-00-361-0167
NSN 6220-01-508-6807
NSN 6610-00-179-9035
NSN 5910-00-778-4916
NSN 5935-00-044-5526
NSN 6150-01-055-1288
NSN 5855-01-501-5176
NSN 5999-01-120-0046