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20420-400 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20420-400: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: ALUMINUM ALLOY, valve_design_control_activity: 78062, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-151-3364, 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
20420-400
NSN: 4820-01-151-3364
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
valve_design_control_activity78062
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
NSN4820-01-151-3364
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20420-400 · 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 TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
VALVE DESIGN CONTROL ACTIVITY78062
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
20420-004 FIND 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
20420-004Reference 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 20420-400?
20420-400 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 20420-400?
There are 2 known substitutes for 20420-400: 20420-004 FIND 1, 20420-004. Substitute compatibility should be verified for your specific system.
What is the NSN for 20420-400?
20420-400 is cataloged in the U.S. Government catalog under NSN 4820-01-151-3364. 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.