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Technical Data Sheet
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605257 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

605257: SEAT,VALVE.

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

Government catalog under NSN 4820-01-234-3291, 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
605257
NSN: 4820-01-234-3291
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialSTEEL BODY
NSN4820-01-234-3291
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 605257 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
MATERIALSTEEL BODY
SUBSTITUTES & CROSS-REFERENCES 3
N-11040-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
N-11040-3CDN11040-2-50 PIECE 3Reference document
Same NSN cross-reference
Reference document — Secondary reference
N11040-3CDN1104Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 605257?
605257 is a SEAT,VALVE.
What parts can replace 605257?
There are 3 known substitutes for 605257: N-11040-3, N-11040-3CDN11040-2-50 PIECE 3, N11040-3CDN1104. Substitute compatibility should be verified for your specific system.
What is the NSN for 605257?
605257 is cataloged in the U.S. Government catalog under NSN 4820-01-234-3291. 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.