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Technical Data Sheet
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51-2475 — SEAT,VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

51-2475: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: CLASS 150, end_item_identification: 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK), part_name_assigned_by_controlling_agency: CLASS 150 RING GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-517-3338, 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
51-2475
NSN: 5330-01-517-3338
NIINs: 015173338, 015982105, 016195675
FSC: 5330 — Packing and Gasket Materials
CAGE: 04664 — PIERCE MANUFACTURING INC (USA)
SPECIFICATIONS
special_featuresCLASS 150
end_item_identification4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
part_name_assigned_by_controlling_agencyCLASS 150 RING GASKET
NSN5330-01-517-3338
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51-2475 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCLASS 150
PART NAME ASSIGNED BY CONTROLLING AGENCYCLASS 150 RING GASKET
END ITEM IDENTIFICATION4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
SUBSTITUTES & CROSS-REFERENCES 1
5214-1514Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51-2475?
51-2475 is a SEAT,VALVE.
What parts can replace 51-2475?
There is 1 known substitute for 51-2475: 5214-1514. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-2475?
51-2475 is cataloged in the U.S. Government catalog under NSN 5330-01-517-3338. This indicates validated use in U.S. government and defense supply chains.
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