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 5985-01-370-5983
NSN 5910-01-619-6406
NSN 5905-00-529-6999
NSN 5999-01-361-5594
NSN 5855-01-013-6864
NSN 5835-01-027-1828
NSN 6620-01-206-3922
NSN 5960-01-423-4240
NSN 6685-01-578-7668
NSN 5895-01-542-8736
NSN 6135-00-223-9563
NSN 5835-01-027-1828