MIL-P-24475 (SHIPS)
MILITARY (continued)
MS16142 - Boss, Gasket Seal, Straight Thread Tube Fittings, Standard
Dimensions for.
MS18229 - Plug for "O" Ring Gasket.
DRAWINGS
MILITARY
B-214 - Root Connections for Attaching Piping.
810-1385850 - Piping, Gage for All Services.
PUBLICATION
MILITARY
NAVSHIPS 0900-001-7000 - Fabrication and Inspection of Brazed Piping Systems.
(Copies of specifications, standards, drawings, and publications required by suppliers
in connection with specific procurement functions should be obtained from the procuring
activity or as directed by the contracting officer.)
2.2 Other publications. The following documents form a part of this specification
to the extent specified herein. Unless otherwise indicated the issue in effect on date of
invitation for bids or request for proposal shall apply.
NATIONAL BUREAU OF STANDARDS
Handbook H28 - Screw Thread Standards for Federal Services.
(Application for copies should be addressed to the superintendent of Documents,
Government Printing Office, Washington, D.C. 20402.)
HYDRAULIC INSTITUTE
Test Code of Standards - Centrifugal Pump Section.
(Application for copies should be addressed to Hydraulic Institute, 122 E. 42nd Street,
New York, New York 10017.)
(Technical society and technical association specifiations and standards are generally
available for reference from libraries. They are also distributed among technical groups
and using Federal agencies. )
3.
REQUIREMENTS
3.1 Qualification. The pumps furnished under this specification shall be products
which are qualified for listing on the applicable qualified products list at time set for
opening of bids (see 4.2 and 6.4).
3.2 General design. The design and construction of all pumps shall comply with the
space and weight requirements when specified (see 6.1). The pump unit shall be designed
to perform under the list, pitch, roll and trim conditions as specified (see 6.1). Pumps
shall be capable of operating continuously at any point over the entire flow range and
design conditions as specified (see 6.1). The motor pump unit shall be of heavy duty
centrifugal, vertical or horizontal mounted ball bearing construction.
3.2.1 Reliability. The requirements of this specification are imposed exclusively to
obtain equipment of the utmost reliability for the intended service, The assurance of
maximum reliability shall be the paramount controlling principle in the design fabrication
assembly and testing of this equipment. Users of and suppliers to this specification are
urged to communicate to Naval Ship Engineering Center (NAVSEC) any findings related to the
requirements or lack of requirements of this specification whereby improvement of equipment
reliability can be achieved. The equipment specified herein shall be operated, maintained,
and repaired onboard Navy ships. Attention is directed to the high equipment density of
shipboard machinery spaces, to the fact that maintenance and repairs must be made underway
in heavy seas, that equipment must operate unattended, and that maintenance personnel may
not be seasoned mechanics. The requirements for maximum reliability directly relates to
these shipboard environment and service conditions and they shall be fully considered in the
pump design. The aspects of "human engineering" shall also be fully explored and considered
in the equipment design to minimize the possibility of failure through improved operation
and maintenance and to preclude personnel safety hazards, In no case shall parts be physi-
cally interchangeable or reversible unless such parts ae also interchangeable functionally
and from considerations of strength.
2
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