No other part numbers with same form, fit, and function found.
An item of definite mass specifically designed to be used with a balance (1) (as modified) to counterbalance an unknown mass.
NSN 6320-01-531-4997
NSN 6105-00-408-9941
NSN 6685-01-363-7796
NSN 6320-01-192-0332
NSN 6685-01-268-1465
NSN 6150-00-491-9654
NSN 6240-01-043-2255
NSN 6240-00-539-8413
NSN 5965-01-328-7979
NSN 7035-01-633-9537
NSN 5996-01-487-6811
NSN 6135-00-134-6648