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 6685-00-370-1612
NSN 6645-00-978-2575
NSN 5935-00-407-6529
NSN 5990-01-425-2175
NSN 6135-01-265-1384
NSN 5905-00-410-1766
NSN 5920-00-642-9908
NSN 5905-01-421-6735
NSN 5945-01-228-1762
NSN 5996-01-257-2517
NSN 5999-00-142-9629
NSN 5915-01-600-1058