A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5895-00-121-1700
NSN 5985-01-280-9450
NSN 6240-01-172-5981
NSN 5950-01-415-1563
NSN 6650-01-555-8349
NSN 6620-00-167-0963
NSN 6130-00-707-5931
NSN 6685-01-374-7942
NSN 5996-00-161-0148
NSN 6620-01-312-6350
NSN 4140-01-261-2966
NSN 5910-00-299-7869