MIL-STD-438E (NOTICE 1), DEPARTMENT OF DEFENSE DESIGN CRITERIA STANDARD: SCHEDULE OF PIPING, VALVES, FITTINGS, AND ASSOCIATED PIPING COMPONENTS FOR SUBMARINES SERVICE (08 NOV 1983)
MIL-STD-438E (NOTICE 1), DEPARTMENT OF DEFENSE DESIGN CRITERIA STANDARD: SCHEDULE OF PIPING, VALVES, FITTINGS, AND ASSOCIATED PIPING COMPONENTS FOR SUBMARINES SERVICE (08 NOV 1983).