A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 2925-00-991-3747
NSN 4140-01-351-1014
NSN 5925-01-113-8272
NSN 5910-01-569-3771
NSN 6220-00-113-8617
NSN 6610-01-474-5206
NSN 6620-01-551-7922
NSN 5999-01-550-4397
NSN 5835-01-193-6192
NSN 5835-00-147-9328
NSN 5950-01-551-0590
NSN 5975-01-173-9592