A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 2925-01-421-8532
NSN 6220-00-103-3218
NSN 6685-00-967-8807
NSN 5975-01-152-6048
NSN 5895-00-472-9829
NSN 5960-01-351-5074
NSN 5998-01-041-3840
NSN 5960-00-389-2915
NSN 5960-01-599-9821
NSN 5855-01-452-6878
NSN 5975-01-223-8027
NSN 2925-01-127-0167