Thread relief accepts locking groove and color black
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 6105-01-448-5584
NSN 5915-01-497-2821
NSN 5990-01-241-9472
NSN 6110-01-070-3780
NSN 6130-01-042-0788
NSN 4140-01-415-1187
NSN 5999-00-165-0403
NSN 5975-01-195-6760
NSN 5975-00-162-9530
NSN 5905-01-651-1160
NSN 5905-01-346-1578
NSN 7035-01-432-2424