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 6620-01-189-5037
NSN 5975-00-926-0637
NSN 5920-00-309-5637
NSN 5905-01-520-4021
NSN 5920-00-477-9438
NSN 2925-01-535-7235
NSN 6650-00-205-6282
NSN 6650-00-726-4242
NSN 5985-01-623-6221
NSN 5835-01-622-2556
NSN 5915-01-397-4030
NSN 2925-01-208-6638