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LHD8428 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LHD8428: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, style_designator: SOLID WEDGE, seating_surface_shape: O-RING, end_item_identification: WILLIAMS VALVE,150 LB.,LHD8428 LBS, seal_accommodation_type: GROOVED, stem_actuating_end_type: THREADED EXTERNALLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-281-1637, 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
LHD8428
NSN: 4820-01-281-1637
NIINs: 012811637, 012812447, 012812494, 012815237
FSC: 4820 — Valves, Nonpowered
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
style_designatorSOLID WEDGE
seating_surface_shapeO-RING
end_item_identificationWILLIAMS VALVE,150 LB.,LHD8428 LBS
seal_accommodation_typeGROOVED
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed8.000 INCHES IN
valve_type_for_which_designedGATE
material_document_and_classificationASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE
general_characteristics_item_descriptionFORGED STEEL AS PER ASTMA182,GRF6
NSN4820-01-281-1637
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LHD8428 · 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
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN
END ITEM IDENTIFICATIONWILLIAMS 8 IN. GATE VALVE,LHD8428 IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEO-RING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 LHD8428?
LHD8428 is a SEAT,VALVE.
What is the NSN for LHD8428?
LHD8428 is cataloged in the U.S. Government catalog under NSN 4820-01-281-1637. This indicates validated use in U.S. government and defense supply chains.
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