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1371970 — IMPELLER,WATER PUMP,ENGINE COOLI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1371970: IMPELLER,WATER PUMP,ENGINE COOLI.

IMPELLER,WATER PUMP,ENGINE COOLI. Key specifications include end_item_identification: COOLING SYSTEM/352-0200 PUMP GP-WATER, part_name_assigned_by_controlling_agency: IMPELLER PUMP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-157-5745, 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
1371970
NSN: 5340-01-157-5745
NIINs: 011575745, 016621202
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationCOOLING SYSTEM/352-0200 PUMP GP-WATER
part_name_assigned_by_controlling_agencyIMPELLER PUMP
NSN5340-01-157-5745
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1371970 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE
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MOUNTING HOLE DIAMETER: 0.280 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.120 INCHES NOMINAL IN
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MATERIAL: STEEL COMP 1020
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MOUNTING HOLE TYPE: PLAIN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.280 INCHES NOMINAL IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
OVERALL WIDTH2.370 INCHES NOMINAL IN
MATERIAL THICKNESS0.120 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM).
MATERIALSTEEL COMP 1020
MOUNTING HOLE TYPEPLAIN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1371970?
1371970 is a IMPELLER,WATER PUMP,ENGINE COOLI.
What is the NSN for 1371970?
1371970 is cataloged in the U.S. Government catalog under NSN 5340-01-157-5745. 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.