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A7631.002.000 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A7631.002.000: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2A A, overall_height: 1.562 INCHES NOMINAL IN, shoulder_width: 0.195 INCHES NOMINAL IN, shoulder_height: 0.219 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-199-1657, 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
A7631.002.000
NSN: 4820-01-199-1657
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL COMP 303
seat_angle45.0 DEGREES NOMINAL
thread_class2A A
overall_height1.562 INCHES NOMINAL IN
shoulder_width0.195 INCHES NOMINAL IN
shoulder_height0.219 INCHES NOMINAL IN
special_featuresW/PLASTIC SEAL RING INSERT IN SEAT ANGLE
nominal_thread_size0.312 INCHES IN
thread_series_designatorUNF
material_document_and_classificationQQ-A-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-199-1657
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7631.002.000 · 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
SUBSTITUTES & CROSS-REFERENCES 2
A7631Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
A3442.001.142Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A7631.002.000?
A7631.002.000 is a DISK,VALVE.
What parts can replace A7631.002.000?
There are 2 known substitutes for A7631.002.000: A7631, A3442.001.142. Substitute compatibility should be verified for your specific system.
What is the NSN for A7631.002.000?
A7631.002.000 is cataloged in the U.S. Government catalog under NSN 4820-01-199-1657. 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.