W/boss on top and a recess in button to permit interlocking; value castin raised figures
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.
Classification: Balances of a sensitivity of 5 cg or better, with or without weights; parts and accessories
NSN 6135-01-439-8669
NSN 6135-00-080-9176
NSN 6135-00-715-4001
NSN 5915-00-140-9230
NSN 5999-01-340-7433
NSN 2925-01-439-4451
NSN 6610-01-282-3225
NSN 6130-01-453-9303
NSN 5960-01-522-0391
NSN 4140-01-361-2292
NSN 5999-01-581-7769
NSN 6220-00-080-8472