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 4140-01-578-3878
NSN 5895-01-203-2461
NSN 6610-00-069-9991
NSN 5975-01-587-2912
NSN 6320-01-511-1526
NSN 5925-00-659-3456
NSN 5925-01-406-3474
NSN 6150-00-838-9611
NSN 5950-01-071-0313
NSN 5935-00-004-7681
NSN 5935-01-647-0019
NSN 6220-01-525-5336