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 5905-01-646-9960
NSN 5935-01-047-5235
NSN 5990-00-226-1152
NSN 5996-01-055-6847
NSN 7035-00-286-6221
NSN 6105-01-271-2834
NSN 6135-00-557-8874
NSN 6135-01-176-2206
NSN 6150-01-386-4752
NSN 6150-01-470-6829
NSN 4140-01-310-1370
NSN 5910-01-482-1612