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 5998-01-232-0128
NSN 5910-01-432-7175
NSN 5855-01-452-1406
NSN 5915-01-049-0241
NSN 7035-01-610-8958
NSN 6240-00-617-1719
NSN 5895-01-140-4046
NSN 5895-01-206-7147
NSN 5950-01-630-1413
NSN 5965-00-871-8987
NSN 5915-01-354-1092
NSN 6650-00-065-7744