A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5990-00-336-2054
NSN 5975-00-653-9167
NSN 6145-01-519-1127
NSN 6145-01-525-8140
NSN 5915-00-647-2312
NSN 5985-01-220-7205
NSN 5935-01-509-5461
NSN 2925-00-185-1618
NSN 6620-00-819-0493
NSN 5925-00-179-8327
NSN 5996-01-344-7957
NSN 5990-01-395-4194