With two grooves 1/4 @in. Wide, 1/16 in. Deep, by 13/16 in. Long, 180 degrees apart. W/two hex socket set screws 3/8-16x7/16 in. Long
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 5990-00-724-8812
NSN 5930-01-044-6467
NSN 6220-00-023-2196
NSN 6610-00-099-4096
NSN 5998-00-347-0331
NSN 5985-01-292-8834
NSN 5905-00-721-3725
NSN 5985-01-362-7996
NSN 6110-00-551-8321
NSN 5920-00-633-0404
NSN 6130-01-237-5992
NSN 5855-01-606-3745