Head hole counterbored to 0.875 diameter by 1.312 in. Dp
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 5990-01-205-4899
NSN 6610-01-321-6904
NSN 5996-01-043-2105
NSN 2925-00-185-1618
NSN 6135-01-010-0891
NSN 5925-01-122-5268
NSN 4140-00-001-1536
NSN 5990-01-206-3606
NSN 6135-00-437-5182
NSN 5975-00-827-7426
NSN 5895-01-141-5775
NSN 6220-01-089-3539