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 6240-00-226-0462
NSN 6650-00-273-8732
NSN 6320-00-331-7138
NSN 6150-00-942-9239
NSN 5975-00-324-2070
NSN 6645-01-515-7507
NSN 5975-00-394-2545
NSN 5915-01-376-3188
NSN 5998-01-284-0550
NSN 6110-01-152-2831
NSN 5985-01-276-2474
NSN 5999-00-286-6231