Color federal standard 595 number 37038
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 4140-00-683-8802
NSN 5985-01-093-5679
NSN 5855-01-221-4076
NSN 4140-00-658-7271
NSN 6220-01-474-9920
NSN 6240-01-500-9044
NSN 6685-01-176-0413
NSN 5999-00-274-2835
NSN 6220-00-602-3534
NSN 5935-01-519-5354
NSN 5998-01-391-6065
NSN 5835-01-132-7002