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LHD-8425-5 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LHD-8425-5: SEAT,VALVE.

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

Government catalog under NSN 4820-01-286-8623, 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
LHD-8425-5
NSN: 4820-01-286-8623
FSC: 4820 — Valves, Nonpowered
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL SEAT
special_featuresWITH STELLITE OVERLAY
NSN4820-01-286-8623
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LHD-8425-5 · 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 SEAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESWITH STELLITE OVERLAY
MATERIALSTEEL SEAT
SUBSTITUTES & CROSS-REFERENCES 2
S15F-6 3IN AND 8425-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LHD-8425Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 LHD-8425-5?
LHD-8425-5 is a SEAT,VALVE.
What parts can replace LHD-8425-5?
There are 2 known substitutes for LHD-8425-5: S15F-6 3IN AND 8425-5, LHD-8425. Substitute compatibility should be verified for your specific system.
What is the NSN for LHD-8425-5?
LHD-8425-5 is cataloged in the U.S. Government catalog under NSN 4820-01-286-8623. 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.