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7531-508-146 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7531-508-146: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.750 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 3.000 INCHES NOMINAL IN, special_features: STAINLESS STEEL/CA-15 OR WCB/STAINLESS STEEL 410 FACE, style_designator: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-271-3664, 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
7531-508-146
NSN: 4820-01-271-3664
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.750 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter3.000 INCHES NOMINAL IN
special_featuresSTAINLESS STEEL/CA-15 OR WCB/STAINLESS STEEL 410 FACE
style_designatorSOLID
NSN4820-01-271-3664
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7531-508-146 · 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
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.750 INCHES NOMINAL IN
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
STYLE DESIGNATORSOLID
SPECIAL FEATURESSTAINLESS STEEL/CA-15 OR WCB/STAINLESS STEEL 410 FACE
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
73811-13Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
73811-13 ITEM 3ASame 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 7531-508-146?
7531-508-146 is a DISK,VALVE.
What parts can replace 7531-508-146?
There are 2 known substitutes for 7531-508-146: 73811-13, 73811-13 ITEM 3A. Substitute compatibility should be verified for your specific system.
What is the NSN for 7531-508-146?
7531-508-146 is cataloged in the U.S. Government catalog under NSN 4820-01-271-3664. 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.