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LHD8418 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LHD8418: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL UNS J03002 DISK, stem_type: RISING, valve_size: 10.000 INCHES IN, bonnet_type: INSIDE SCREW, connection_type: BUTT WELD PIPE, features_provided: BONNET PACKING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-258-5063, 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
LHD8418
NSN: 4820-01-258-5063
NIINs: 012585063, 012585108, 012585171
FSC: 4820 — Valves, Nonpowered
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL UNS J03002 DISK
stem_typeRISING
valve_size10.000 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeBUTT WELD PIPE
features_providedBONNET PACKING
valve_operation_methodMANUAL
stem_actuating_end_typeTHREADED EXTERNALLY
bonnet_attachment_methodBOLTED
valve_size_for_which_designed10.000 INCHES IN
valve_type_for_which_designedGATE
inlet_relationship_with_outletIDENTICAL
NSN4820-01-258-5063
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LHD8418 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 10.000 INCHES IN
•
STEM TYPE: RISING
•
CONNECTION TYPE: BUTT WELD PIPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED10.000 INCHES IN
STEM TYPERISING
CONNECTION TYPEBUTT WELD PIPE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE10.000 INCHES IN
FEATURES PROVIDEDBONNET PACKING
SUBSTITUTES & CROSS-REFERENCES 1
LHD8418 10IN. FReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LHD8418?
LHD8418 is a VALVE,GATE.
What parts can replace LHD8418?
There is 1 known substitute for LHD8418: LHD8418 10IN. F. Substitute compatibility should be verified for your specific system.
What is the NSN for LHD8418?
LHD8418 is cataloged in the U.S. Government catalog under NSN 4820-01-258-5063. 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.