A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6135-00-932-3136
NSN 6145-01-228-6267
NSN 5999-01-120-9343
NSN 5905-01-318-9530
NSN 7035-01-291-1770
NSN 5990-00-578-6254
NSN 6135-00-998-5884
NSN 6610-01-453-4269
NSN 5965-00-940-8699
NSN 6145-01-302-7712
NSN 6105-01-579-5530
NSN 5990-00-455-3733