A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6145-00-727-4430
NSN 5910-01-497-4876
NSN 6105-01-551-8239
NSN 5975-01-373-5014
NSN 6150-01-556-6846
NSN 6685-01-411-5969
NSN 6610-01-014-3964
NSN 6620-01-215-0470
NSN 6110-01-260-7541
NSN 5996-00-880-4083
NSN 4140-01-279-3618
NSN 5950-00-430-8529