No other part numbers with same form, fit, and function found.
A square nut having a concave face and a concave or slotted top.
NSN 7035-01-026-1171
NSN 6105-00-012-8278
NSN 5999-00-153-0917
NSN 5950-00-782-4875
NSN 5950-00-153-8452
NSN 6650-01-316-6419
NSN 6150-01-296-5872
NSN 5930-01-521-3881
NSN 5999-01-160-8946
NSN 5945-00-290-1779
NSN 5930-00-894-3895
NSN 5915-00-164-5120