48 -- VALVES, COMBINED VENT-CHECK, FOR SUBMARINE MBT BLOW LINES (SIZES 1-1/2 TO 2-1/2 NPS), NAVSEA The Naval Sea Systems Command (NAVSEA) is preparing MIL-PRF-23953D, Valves, Combined Vent-Check, for Submarine MBT Blow Lines (Sizes 1-1/2 to 2-1/2 NPS). NAVSEA intends to draft specifications and standards to accommodate a variety of design solutions and processes and to encourage a broad vendor base. Prospective vendors who desire to receive and comment on a circulation copy should send their request to CommandStandards@navsea.navy.mil. Cite the document number (MIL-PRF-23953D) and title, and an email address to receive the document when it is circulated. Posted 03/20/00 (W-SN436027).

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