A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5990-01-089-2652
NSN 6220-00-533-3936
NSN 2925-00-441-8252
NSN 5975-01-181-2607
NSN 5975-00-111-1226
NSN 5985-01-439-8340
NSN 6620-01-184-7384
NSN 6320-00-422-9006
NSN 5935-00-950-3276
NSN 6650-00-140-8776
NSN 5990-01-050-7535
NSN 5915-01-362-3462