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174D — PUMP,ENGINE PRIMING,HAND DRIVEN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

174D: PUMP,ENGINE PRIMING,HAND DRIVEN.

PUMP,ENGINE PRIMING,HAND DRIVEN. Key specifications include end_item_identification: GENERAL MOTORS CORP,DETROIT DIESEL ENGINE SERIES 71. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-311-9490, 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
174D
NSN: 5340-00-311-9490
NIINs: 003119490, 006644525, 009972394
FSC: 5340 — Hardware, Commercial
CAGE: 87737 — TAYLOR LOCK CO (USA)
SPECIFICATIONS
end_item_identificationGENERAL MOTORS CORP,DETROIT DIESEL ENGINE SERIES 71
general_characteristics_item_descriptionBRASS,5.625 IN. O/A H,1.438 IN. O/A LG,1.250 IN. O/A W,INLET AND OUTLET PORTS 0.125 IN. NPT,W/MANUAL OPERATING LEVER,OD OF TOP KNOB 1.125 IN. IN
NSN5340-00-311-9490
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 174D 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
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 174D?
174D is a PUMP,ENGINE PRIMING,HAND DRIVEN.
What is the NSN for 174D?
174D is cataloged in the U.S. Government catalog under NSN 5340-00-311-9490. This indicates validated use in U.S. government and defense supply chains.
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