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WM-498-A — VALVE,MANIFOLD END

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

WM-498-A: VALVE,MANIFOLD END.

The VALVE,MANIFOLD END is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: DESIGNED FOR TYPICAL DASHBOARD USE,MANIFOLD;A FIFTH 1/4 IN. N.P.T.

OUTLET PORT;1/2 IN. W;WITH PIN NO. 104479 IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-055-4103, 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
WM-498-A
NSN: 4820-01-055-4103
FSC: 4820 — Valves, Nonpowered
CAGE: 11331 — WILLIAMS CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionDESIGNED FOR TYPICAL DASHBOARD USE,MANIFOLD;A FIFTH 1/4 IN. N.P.T. OUTLET PORT;1/2 IN. W;WITH PIN NO. 104479 IN
NSN4820-01-055-4103
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: WM-498-A · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: DESIGNED FOR TYPICAL DASHBOARD USE,MANIFOLD;A FIFTH 1/4 IN. N.P.T. OUTLET PORT;1/2 IN. W;WITH PIN NO. 104479 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONDESIGNED FOR TYPICAL DASHBOARD USE,MANIFOLD;A FIFTH 1/4 IN. N.P.T. OUTLET PORT;1/2 IN. W;WITH PIN NO. 104479 IN
SUBSTITUTES & CROSS-REFERENCES 1
104075Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 WM-498-A?
WM-498-A is a VALVE,MANIFOLD END.
What parts can replace WM-498-A?
There is 1 known substitute for WM-498-A: 104075. Substitute compatibility should be verified for your specific system.
What is the NSN for WM-498-A?
WM-498-A is cataloged in the U.S. Government catalog under NSN 4820-01-055-4103. 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.