MIL-Z-50976, MILITARY SPECIFICATION: ZIRCONIUM SPONGE (30 SEP 1971) [NO S/S DOCUMENT]

MIL-Z-50976, MILITARY SPECIFICATION: ZIRCONIUM SPONGE (30 SEP 1971) [NO S/S DOCUMENT]., This specification covers zirconium sponge (see 6.4) for use in the manufacture of ordnance materials.