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A2143 — OIL PUMP ASSEMBLY,ENGINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A2143: OIL PUMP ASSEMBLY,ENGINE.

The OIL PUMP ASSEMBLY,ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: NIMITZ CLASS CVN.. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-981-9079, 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
A2143
NSN: 5330-00-981-9079
NIINs: 009819079, 013286202, 014748697
FSC: 5330 — Packing and Gasket Materials
CAGE: 85213 — L.C.DOANE COMPANY,THE DBA LC DOANE CO (USA)
SPECIFICATIONS
end_item_identificationNIMITZ CLASS CVN.
NSN5330-00-981-9079
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A2143 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: RUBBER; 6.688 IN. LG; 3 IN. H; 0.375 IN. W IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRUBBER; 6.688 IN. LG; 3 IN. H; 0.375 IN. W IN
SUBSTITUTES & CROSS-REFERENCES 1
A1570Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A2143?
A2143 is a OIL PUMP ASSEMBLY,ENGINE.
What parts can replace A2143?
There is 1 known substitute for A2143: A1570. Substitute compatibility should be verified for your specific system.
What is the NSN for A2143?
A2143 is cataloged in the U.S. Government catalog under NSN 5330-00-981-9079. This indicates validated use in U.S. government and defense supply chains.
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