A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6620-01-136-8867
NSN 4140-00-900-6102
NSN 6620-00-538-8746
NSN 5930-00-206-0210
NSN 5925-01-023-9116
NSN 5975-01-158-6150
NSN 6105-00-461-5960
NSN 4140-00-606-9453
NSN 7035-00-230-4338
NSN 4140-01-157-8882
NSN 6105-00-801-6335
NSN 5999-01-345-3423