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VA9031A — VALVE,BLEEDER,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VA9031A: VALVE,BLEEDER,HYDRAULIC SYSTEM.

The VALVE,BLEEDER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: THREADED INTERNAL TUBE SECOND END, nominal_thread_size: 0.438 INCHES SECOND END IN, thread_quantity_per_inch: 24 THIRD END, thread_series_designator: UNS THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-480-5622, 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
VA9031A
NSN: 4820-00-480-5622
FSC: 4820 — Valves, Nonpowered
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeTHREADED INTERNAL TUBE SECOND END
nominal_thread_size0.438 INCHES SECOND END IN
thread_quantity_per_inch24 THIRD END
thread_series_designatorUNS THIRD END
NSN4820-00-480-5622
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VA9031A · 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
•
CONNECTION TYPE: THREADED INTERNAL TUBE SECOND END
•
NOMINAL THREAD SIZE: 0.438 INCHES THIRD END IN
•
THREAD QUANTITY PER INCH: 24 SECOND END
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE THIRD END
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
THREAD QUANTITY PER INCH24 SECOND END
THREAD QUANTITY PER INCH24 THIRD END
MATERIALCOPPER ALLOY BODY
THREAD SERIES DESIGNATORUNS THIRD END
SUBSTITUTES & CROSS-REFERENCES 1
147-0183Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 VA9031A?
VA9031A is a VALVE,BLEEDER,HYDRAULIC SYSTEM.
What parts can replace VA9031A?
There is 1 known substitute for VA9031A: 147-0183. Substitute compatibility should be verified for your specific system.
What is the NSN for VA9031A?
VA9031A is cataloged in the U.S. Government catalog under NSN 4820-00-480-5622. 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.