A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5945-01-173-2550
NSN 6650-00-734-3985
NSN 6620-01-535-6925
NSN 6610-01-426-3514
NSN 5835-01-305-8866
NSN 6220-01-612-9418
NSN 6645-00-853-0073
NSN 6240-00-019-0041
NSN 5925-00-803-5491
NSN 6610-00-661-1797
NSN 5945-01-018-3649
NSN 5960-01-411-5899