Holes in periphery counterbored 0.200 in. Deep by 0.298 to 0.302 in. Dia
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 5855-00-491-7079
NSN 5915-01-158-8891
NSN 7035-01-376-3843
NSN 5945-01-473-5821
NSN 5990-01-352-5255
NSN 5950-01-248-7862
NSN 2925-01-231-6312
NSN 6240-01-556-7096
NSN 5999-01-423-7713
NSN 6320-01-624-0193
NSN 6130-01-421-4538
NSN 5990-01-577-2120