A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6645-00-183-6427
NSN 5950-00-948-6984
NSN 5998-00-927-7246
NSN 6150-01-335-5948
NSN 5905-01-168-7806
NSN 5950-00-093-7081
NSN 5855-00-885-8452
NSN 4140-00-010-7955
NSN 6610-00-626-3673
NSN 5975-00-016-9774
NSN 5930-01-163-0442
NSN 5910-00-230-4427