4-40x0.312, 3/16 hex
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 5930-00-202-1078
NSN 6105-00-879-7157
NSN 5835-00-405-4560
NSN 5998-01-065-2164
NSN 6240-01-529-6624
NSN 6620-01-039-5468
NSN 5915-01-501-9597
NSN 5945-01-162-6362
NSN 5835-00-138-5772
NSN 5999-01-328-8348
NSN 4140-01-502-6496
NSN 5985-01-317-8677