No other part numbers with same form, fit, and function found.
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
NSN 6620-01-221-2643
NSN 6650-00-578-6543
NSN 5855-01-354-7291
NSN 5855-00-821-7512
NSN 6150-01-366-7933
NSN 5950-00-309-1318
NSN 6685-01-243-1265
NSN 6150-01-170-5658
NSN 5855-01-450-5609
NSN 4140-01-562-6926
NSN 6135-01-563-4445
NSN 5996-01-232-7395