Both ends grooved, hole in center
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 5998-00-971-2170
NSN 6150-00-847-5442
NSN 5895-01-130-5150
NSN 6685-00-610-1882
NSN 5990-00-081-3937
NSN 6610-01-202-7404
NSN 5985-01-100-4320
NSN 6135-01-616-0150
NSN 5920-01-109-9998
NSN 5975-01-392-6126
NSN 6620-01-227-4380
NSN 6110-01-097-1406