Steel is composition 1649 or 1767
A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.
NSN 5985-01-074-0658
NSN 6130-01-596-0624
NSN 5905-01-540-7442
NSN 6105-00-983-4770
NSN 5999-01-110-8424
NSN 5935-01-467-2660
NSN 6620-01-116-3983
NSN 4140-00-423-6663
NSN 6650-00-809-1817
NSN 4140-00-111-3247
NSN 6220-00-981-9184
NSN 5855-00-256-5562