4 notches 0.126 in. Min 0.130 in. Radius equally spaced on the nut periphery, 4 notches 0.312 in. Radius equally spaced on the thread diameter
No other part numbers with same form, fit, and function found.
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 6135-01-056-4609
NSN 5925-01-533-8322
NSN 6645-01-280-5395
NSN 5905-01-154-0836
NSN 4140-01-326-3620
NSN 6145-01-229-9672
NSN 5895-01-553-4992
NSN 6610-00-688-9487
NSN 5960-01-512-0233
NSN 6650-01-576-8520
NSN 6135-01-351-1131
NSN 5855-01-191-3404