Four holes equally spaced 0.042 in. Min 0.052 in. Max diameter drilled from approx center of od to upper side on a 45 degree angle
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 6650-01-512-4428
NSN 5945-01-275-7267
NSN 6685-01-197-3838
NSN 6145-01-542-3371
NSN 5935-00-799-0014
NSN 5998-00-216-7436
NSN 6645-01-446-5419
NSN 6645-01-252-8870
NSN 5905-01-010-2894
NSN 5950-00-833-6404
NSN 5930-01-269-6032
NSN 5999-00-226-0109