A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6150-01-123-5135
NSN 6110-01-216-1692
NSN 6685-00-375-8689
NSN 6320-00-857-4073
NSN 6105-01-647-3772
NSN 2925-01-483-2389
NSN 6105-01-557-8315
NSN 5915-01-529-7351
NSN 5985-01-111-4354
NSN 6320-00-504-1214
NSN 5999-01-531-0503
NSN 6685-00-085-2404