WW-T-775B, FEDERAL SPECIFICATION: TUBE, COPPER; SEAMLESS (FOR AIR CONDITIONING AND REFRIGERATION) (15 MAR 1976) [S/S BY ASTM-B280]
WW-T-775B, FEDERAL SPECIFICATION: TUBE, COPPER; SEAMLESS (FOR AIR CONDITIONING AND REFRIGERATION) (15 MAR 1976) [S/S BY ASTM-B280]., This specification covers seamless copper tube suitable for use with solder-type or flared-tube fittings.