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552903 — FILLER PLUG,PUMP

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

552903: FILLER PLUG,PUMP.

The FILLER PLUG,PUMP is a the manufacturer industrial component. Key specifications include special_features: MATL ALUMINUM;1 13/16 IN.DIA WITH TWO HOLES IN, end_item_identification: PUMP,IMPELLER;OUTBOARD MARINE MFG CO;MODEL P-250. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-972-8434, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
552903
NSN: 4320-00-972-8434
FSC: 4320 — Power and Hand Pumps
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
special_featuresMATL ALUMINUM;1 13/16 IN.DIA WITH TWO HOLES IN
end_item_identificationPUMP,IMPELLER;OUTBOARD MARINE MFG CO;MODEL P-250
NSN4320-00-972-8434
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILLER PLUG,PUMP TITLE COMPONENT PN 552903 MFR FILLER PLUG,PUMP
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATL ALUMINUM;1 13/16 IN.DIA WITH TWO HOLES IN
END ITEM IDENTIFICATIONPUMP,IMPELLER;OUTBOARD MARINE MFG CO;MODEL P-250
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES 1
1139PC161Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 552903?
552903 is a FILLER PLUG,PUMP.
What parts can replace 552903?
There is 1 known substitute for 552903: 1139PC161. Substitute compatibility should be verified for your specific system.
What is the NSN for 552903?
552903 is cataloged in the U.S. Government catalog under NSN 4320-00-972-8434. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.