1/2 inch, material brass
No other part numbers with same form, fit, and function found.
An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.
NSN 4140-01-599-0725
NSN 5905-01-012-4288
NSN 5945-00-339-2755
NSN 6685-01-449-0933
NSN 6135-01-168-2944
NSN 5855-00-832-9341
NSN 5990-00-050-7693
NSN 6130-00-949-3393
NSN 5985-01-185-2994
NSN 6105-00-955-2073
NSN 5855-00-494-9581
NSN 6220-01-512-7392