MIL-B-16540B, MILITARY SPECIFICATION: BRONZE, PHOSPHOR, CASTING (26 MAR 1969) [NO S/S DOCUMENT]

MIL-B-16540B, MILITARY SPECIFICATION: BRONZE, PHOSPHOR, CASTING (26 MAR 1969) [NO S/S DOCUMENT]., This specification prescribes the requirements for phosphor bronze sand castings containing a controlled lead content.