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VNB31-B12 — GEAR OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VNB31-B12: GEAR OPERATOR,VALVE.

The GEAR OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER, gear_type: WORM, special_features: MANUFACTURERS SUGGESTED NAME IS MANUAL GEAR WITH HANDWHEEL, features_provided: HANDWHEEL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-482-8797, 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
VNB31-B12
NSN: 4820-01-482-8797
FSC: 4820 — Valves, Nonpowered
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
materialCOPPER
gear_typeWORM
special_featuresMANUFACTURERS SUGGESTED NAME IS MANUAL GEAR WITH HANDWHEEL
features_providedHANDWHEEL
NSN4820-01-482-8797
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VNB31-B12 · 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
•
GEAR TYPE: WORM
•
FEATURES PROVIDED: HANDWHEEL
•
MATERIAL: COPPER
TECHNICAL CHARACTERISTICS
GEAR TYPEWORM
FEATURES PROVIDEDHANDWHEEL
SPECIAL FEATURESMANUFACTURERS SUGGESTED NAME IS MANUAL GEAR WITH HANDWHEEL
MATERIALCOPPER
SUBSTITUTES & CROSS-REFERENCES 1
VNB31-4Reference 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 VNB31-B12?
VNB31-B12 is a GEAR OPERATOR,VALVE.
What parts can replace VNB31-B12?
There is 1 known substitute for VNB31-B12: VNB31-4. Substitute compatibility should be verified for your specific system.
What is the NSN for VNB31-B12?
VNB31-B12 is cataloged in the U.S. Government catalog under NSN 4820-01-482-8797. 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.