Requested name - retainer, quarter turn
A standoff with one threaded end and projection on the other end which can be snapped, press fitted or locked into position.
NSN 5998-01-351-2887
NSN 7035-01-083-0282
NSN 6685-00-379-4652
NSN 6610-01-351-0072
NSN 6645-01-162-8023
NSN 5999-01-153-1280
NSN 5905-01-125-3656
NSN 6685-00-360-8111
NSN 5996-01-325-2515
NSN 5950-01-036-5820
NSN 5855-00-107-7993
NSN 5930-00-518-4605