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20426-450 — SLIDE,SLEEVE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20426-450: SLIDE,SLEEVE,VALVE.

The SLIDE,SLEEVE,VALVE is a the manufacturer industrial component. Key specifications include length: 0.800 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, design_type: TUBULAR, orifice_diameter: 0.024 INCHES NOMINAL IN, outside_diameter: 0.1867 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN, thread_provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-098-6949, 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
20426-450
NSN: 4820-01-098-6949
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
length0.800 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
design_typeTUBULAR
orifice_diameter0.024 INCHES NOMINAL IN
outside_diameter0.1867 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
thread_provisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
end_item_identificationSHIP, OHIO CLASS SSN (TRIDENT)
general_characteristics_item_descriptionALUMINUM ALLOY 6061-T651,QQ-A-225/8; ANODIZE PER MIL-A-8625
NSN4820-01-098-6949
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20426-450 · 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
20426-001 FIND 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
20426-001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 20426-450?
20426-450 is a SLIDE,SLEEVE,VALVE.
What parts can replace 20426-450?
There are 2 known substitutes for 20426-450: 20426-001 FIND 2, 20426-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 20426-450?
20426-450 is cataloged in the U.S. Government catalog under NSN 4820-01-098-6949. 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.