A-A-52307
17 November 1993
COMMERCIAL ITEM DESCRIPTION
PUMP, RECIPROCATING, HAND-DRIVEN,
SINGLE-ACTING, BILGE
The General Services Administration has authorized the use of this
commercial item description in preference to MIL-P-52235.
This item description covers a hand-operated, single-acting, reciprocating, bilge
pump.
Salient characteristics.
General.
The pumps shall conform to all Federal laws and regulations
applicable for this type equipment which are in effect on date of award of
contract.
Materials. The pump shall be fabricated from compatible materials,
inherently corrosion resistant or treated to provide protection against
the various forms of corrosion and deterioration that may be encountered
in any of the applicable operation and storage environments to which the
pump may be exposed. Dissimilar metals shall not be used in intimate
contact with each other unless protected against galvanic corrosion.
Design and performance. The pump shall consist of a cylinder, a strainer
foot with integral valve, a piston with rod and handle, a cylinder cap
with integral discharge spout. The piston cup, strainer foot, and
cylinder cap shall be synthetic rubber. The cylinder shall be heavy
seamless copper alloy tubing. The cylinder ends shall be rolled to
provide a pressure tight sealing device. The piston shall be a molded
synthetic rubber cup, reinforced with a copper alloy plate, and affixed to
a tapped and threaded copper alloy piston rod. The piston cup shall be
removable from the piston rod end without stretching. The handle shall be
D-shape, rigid plastic or copper alloy, and shall be tapped and threaded
to accommodate the threads on the upper end of the piston rod. The handle
inner dimensions shall be not less than 2 inches by 5 inches. The
strainer foot with integral valve shall be molded from synthetic rubber
and shall be grooved to fit the rolled end of the cylinder. The cylinder
FSC 4320
AMSC N/A
DISTRIBUTION STATEMENT A. Approved for public release, distribution is unlimited.