Two 1/4-20 nc tapped holes located on periphery 180 degrees apart with set screws
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 6610-01-392-0231
NSN 6650-01-183-0711
NSN 6105-01-130-8285
NSN 6145-01-489-1003
NSN 6645-00-551-8291
NSN 6650-01-406-4451
NSN 4140-01-651-8955
NSN 5985-00-099-3923
NSN 5920-00-988-2924
NSN 4140-01-202-9563
NSN 5990-01-035-6869
NSN 5915-00-979-3891