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 6610-01-444-2050
NSN 6145-01-041-3057
NSN 5930-01-052-6907
NSN 5835-01-532-9373
NSN 5935-01-298-3473
NSN 5915-01-239-1790
NSN 6150-01-055-7545
NSN 5945-01-496-3931
NSN 5910-01-633-9963
NSN 6620-01-431-9176
NSN 5998-01-043-6511
NSN 7035-01-013-9889