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451-8083 — VALVE ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

451-8083: VALVE ASSEMBLY.

The VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include valve_size: 0.250 INCHES IN, body_material: ZINC ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-065-4763, 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
451-8083
NSN: 4820-01-065-4763
FSC: 4820 — Valves, Nonpowered
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
valve_size0.250 INCHES IN
body_materialZINC ALLOY
valve_quantity1
bolt_hole_quantity2
NSN4820-01-065-4763
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 451-8083 · 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
•
VALVE QUANTITY: 1
•
VALVE SIZE: 0.250 INCHES IN
•
BODY MATERIAL: ZINC ALLOY
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
VALVE QUANTITY1
VALVE SIZE0.250 INCHES IN
BODY MATERIALZINC ALLOY
BOLT HOLE QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 4
283732Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
745-283732Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
191838Reference document
Same NSN cross-reference
Reference document — Secondary reference
412427C1Reference 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 451-8083?
451-8083 is a VALVE ASSEMBLY.
What parts can replace 451-8083?
There are 4 known substitutes for 451-8083: 283732, 745-283732, 191838 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451-8083?
451-8083 is cataloged in the U.S. Government catalog under NSN 4820-01-065-4763. 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.