Shouldered one surface 0.125 in. Lg, grooved one side 0.047 in.
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 6240-01-411-7482
NSN 5910-00-269-4755
NSN 6105-01-462-0140
NSN 6650-01-258-5871
NSN 6645-01-626-3651
NSN 4140-01-503-2369
NSN 5915-01-471-7079
NSN 5895-00-803-9829
NSN 5998-00-816-9752
NSN 6220-01-288-8582
NSN 6130-01-023-0501
NSN 6240-01-347-0072