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 6320-01-380-7372
NSN 6610-01-289-5784
NSN 5965-00-905-7561
NSN 5920-01-330-5224
NSN 7035-00-888-7440
NSN 5905-01-557-9584
NSN 5925-01-160-7609
NSN 5996-00-222-4930
NSN 5855-00-869-3635
NSN 5925-01-252-6046
NSN 6105-01-438-9750
NSN 5996-01-529-0639