MIL-M-55023C, MILITARY SPECIFICATION: MANOMETERS, U-TUBE AND CURVED TUBE (30-SEP-1975) [SUPERSEDING MIL-M-19592] [S/S BY MIL-DTL-55023D]
MIL-M-55023C, MILITARY SPECIFICATION: MANOMETERS, U-TUBE AND CURVED TUBE (30-SEP-1975) [SUPERSEDING MIL-M-19592] [S/S BY MIL-DTL-55023D]., This specification covers manometers for determining positive pressure, vacuum, and pressure differentials in linear inches.