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 5895-01-419-6561
NSN 6240-01-460-3868
NSN 5910-01-147-0999
NSN 5925-00-252-1554
NSN 6240-00-708-2083
NSN 4140-01-394-3268
NSN 6145-01-335-0088
NSN 6135-00-681-2702
NSN 5960-01-181-2143
NSN 4140-01-300-4779
NSN 6650-01-003-2925
NSN 5998-01-237-2541