4.245-4.255 in. Bolt circle dia
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 5960-01-456-1735
NSN 5920-00-105-3713
NSN 2925-00-677-5641
NSN 6130-01-359-5032
NSN 6685-00-785-2783
NSN 6620-00-902-5090
NSN 6620-01-473-8262
NSN 6685-01-243-0372
NSN 5930-01-153-2667
NSN 5999-01-430-3510
NSN 6105-01-243-1288
NSN 6645-01-367-2581