MIL-P-21251 › Complete Document History
Pumping Units, Sewage, Duplex, Centrifugal, Automatic, Wet-Pit Type (Superseded by A-A-50555)
Obsolete Revision Information: |
REV E CANCELLATION 1 - CANCELLATION NOTICE 1, REV E - Dec. 5, 1996
REVISION E - PUMPING UNITS, SEWAGE, DUPLEX, - Jan. 31, 1991
REVISION D - PUMPING UNITS, SEWAGE, DUPLEX, - Feb. 8, 1985
REV C AMENDMENT 1 - AMENDMENT 1 FOR REVISION C - April 13, 1981
REVISION C - PUMPING UNITS, SEWAGE, DUPLEX, - Sept. 5, 1979
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