No other part numbers with same form, fit, and function found.
A nut having wings designed for manual turning without driver or wrench with an integral feature incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 4140-01-551-6701
NSN 4140-00-224-2133
NSN 5950-00-682-4378
NSN 5996-01-430-3688
NSN 6130-01-389-9547
NSN 5985-01-162-0146
NSN 5925-01-014-6602
NSN 5910-01-038-3068
NSN 5950-01-533-5338
NSN 5895-01-336-6171
NSN 5855-01-426-5589
NSN 5945-01-224-9773