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W15A01-4PC8 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

W15A01-4PC8: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, seat_angle: 25.0 DEGREES NOMINAL, overall_height: 0.187 INCHES NOMINAL IN, shank_diameter: 0.187 INCHES NOMINAL IN, flange_diameter: 0.315 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-446-3166, 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
W15A01-4PC8
NSN: 4820-00-446-3166
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
seat_angle25.0 DEGREES NOMINAL
overall_height0.187 INCHES NOMINAL IN
shank_diameter0.187 INCHES NOMINAL IN
flange_diameter0.315 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-00-446-3166
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: W15A01-4PC8 · 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
•
SHANK DIAMETER: 0.187 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.315 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 25.0 DEGREES NOMINAL
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.187 INCHES NOMINAL IN
FLANGE DIAMETER0.315 INCHES NOMINAL IN
OVERALL HEIGHT0.187 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SEAT ANGLE25.0 DEGREES NOMINAL
MATERIALPLASTIC POLYAMIDE NYLON
SUBSTITUTES & CROSS-REFERENCES 1
M842SH3PC7-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W15A01-4PC8?
W15A01-4PC8 is a DISK,VALVE.
What parts can replace W15A01-4PC8?
There is 1 known substitute for W15A01-4PC8: M842SH3PC7-1. Substitute compatibility should be verified for your specific system.
What is the NSN for W15A01-4PC8?
W15A01-4PC8 is cataloged in the U.S. Government catalog under NSN 4820-00-446-3166. 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.