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 5915-00-155-4766
NSN 5895-01-226-5781
NSN 5999-00-548-9065
NSN 5930-01-286-1589
NSN 5855-00-014-5008
NSN 6130-01-309-6459
NSN 5925-01-408-8765
NSN 5910-01-200-2080
NSN 5935-01-164-4465
NSN 6320-01-592-6248
NSN 6240-01-315-4463
NSN 5990-01-124-9063