Head hole counterbored to 0.875 diameter by 1.312 in. Dp
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 6135-01-512-8740
NSN 6645-00-300-0401
NSN 5910-01-288-5644
NSN 5935-01-474-7610
NSN 6240-01-617-8254
NSN 5905-00-277-7439
NSN 4140-00-146-3269
NSN 5960-01-426-4242
NSN 5965-00-161-3954
NSN 6610-01-010-3831
NSN 6650-00-054-4721
NSN 5965-00-348-4165