Material per mil-s-5000 or mil-s-6049; nut has rockwell hardness of c34-c39 in accordance with mil-h-6875 class a; 100% magnetic particle inspection per mil-i-6868 performed by both cir. And long. Method, the wet or dry process with either fluor. Or non-fluor. Shall be used, no cracks allowed; nuts finished per qq-p-416 type ii cl 3; baked at 375 degrees f for 23 hours after plating; embrittlement test per qq-p-416 does not apply; surface finished shall be 125 unless otherwise specified
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5990-01-124-9063
NSN 5935-01-443-1376
NSN 6620-00-010-8190
NSN 6145-00-334-5192
NSN 5915-01-360-0156
NSN 6645-01-263-7273
NSN 6610-01-615-8260
NSN 5950-01-089-7030
NSN 5935-01-301-9789
NSN 5935-01-293-9884
NSN 5975-00-065-4026
NSN 5985-01-325-9241