A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6240-01-391-0399
NSN 6610-01-447-0695
NSN 5910-01-162-5281
NSN 5945-00-528-1920
NSN 5965-01-433-0366
NSN 5985-01-412-1860
NSN 5996-00-478-9159
NSN 6145-00-153-2818
NSN 5905-01-175-1973
NSN 6105-00-596-9962
NSN 6320-01-515-7913
NSN 6685-01-272-9247