A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5905-00-389-6252
NSN 5945-01-382-8925
NSN 6645-00-256-4072
NSN 6220-01-607-4046
NSN 6620-01-337-5668
NSN 5985-01-217-3162
NSN 7035-01-461-6429
NSN 6650-01-012-3290
NSN 5910-01-187-1912
NSN 6620-01-341-8372
NSN 5910-01-215-4080
NSN 6135-01-439-8669