W11978 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

W11978: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-250-1827, 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

W11978

NSN: 4820-01-250-1827
FSC: 4820 — Valves, Nonpowered
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING SEAT
NSN	4820-01-250-1827

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL: STEEL CORROSION RESISTING SEAT

TECHNICAL CHARACTERISTICS

MATERIAL

STEEL CORROSION RESISTING SEAT

SUBSTITUTES & CROSS-REFERENCES 2

CE-W1197BSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

W1197BReference document

Same NSN cross-reference

Reference document — Secondary reference

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 W11978?

W11978 is a SEAT,VALVE.

What parts can replace W11978?

There are 2 known substitutes for W11978: CE-W1197B, W1197B. Substitute compatibility should be verified for your specific system.

What is the NSN for W11978?

W11978 is cataloged in the U.S. Government catalog under NSN 4820-01-250-1827. This indicates validated use in U.S. government and defense supply chains.

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