F118 engine qualified
A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5975-00-246-4906
NSN 5930-01-230-7601
NSN 5895-01-592-2505
NSN 5895-00-501-4914
NSN 5999-00-279-9282
NSN 6105-01-431-8998
NSN 4140-01-475-1352
NSN 6130-01-046-8839
NSN 6320-01-525-4789
NSN 4140-01-273-3962
NSN 5945-01-142-0224
NSN 5975-01-287-8068