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5121751 — SEAL,WATERPUMP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5121751: SEAL,WATERPUMP.

The SEAL,WATERPUMP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-866-9403, 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
5121751
NSN: 5330-00-866-9403
FSC: 5330 — Packing and Gasket Materials
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
Part Number5121751
NSN5330-00-866-9403
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5121751 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 8
5130959Reference document
Same NSN cross-reference
Reference document — Secondary reference
269Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8923117Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC8924297Reference document
Same NSN cross-reference
Reference document — Secondary reference
B8924297Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
892-4297Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5121751?
5121751 is a SEAL,WATERPUMP.
What parts can replace 5121751?
There are 8 known substitutes for 5121751: 5130959, 269, 8923117 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5121751?
5121751 is cataloged in the U.S. Government catalog under NSN 5330-00-866-9403. This indicates validated use in U.S. government and defense supply chains.
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