0.500 in diameter hole
A solid metallic, pear-shaped item with a grooved or flat outer edge, around which an item is shaped and inserted into the receptacle of another item.
NSN 2925-01-136-2551
NSN 5996-01-574-8143
NSN 5998-01-277-0792
NSN 5960-00-975-2540
NSN 7035-00-003-7518
NSN 5915-00-270-4790
NSN 6240-01-238-9647
NSN 5925-00-274-3195
NSN 5910-00-164-9880
NSN 5930-01-246-4572
NSN 5985-01-443-2417
NSN 6145-01-607-6165