Mfr suggested name-male-female standoff; this item made from p/n 14030-h-ss-.305-12, cagec 51506
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 5985-01-440-8418
NSN 6135-01-535-2307
NSN 5950-00-018-5534
NSN 6150-01-399-0375
NSN 5960-01-240-3266
NSN 2925-01-514-9358
NSN 5835-00-122-6476
NSN 5925-00-304-3315
NSN 5935-01-183-1764
NSN 5975-01-411-3684
NSN 6610-01-621-0422
NSN 6220-00-175-5590