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20420-004 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20420-004: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: ALUMINUM ALLOY, slide_material: STEEL, sleeve_material: STEEL, special_features: 5.375IN H,3.400IN OD,1.465 IN ID IN, 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 4820-01-060-4169, 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
20420-004
NSN: 4820-01-060-4169
NIINs: 010604169, 011513364, 011630790
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
slide_materialSTEEL
sleeve_materialSTEEL
special_features5.375IN H,3.400IN OD,1.465 IN ID IN
valve_design_control_activity78062
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
valve_model_number_for_which_designed20420-004
NSN4820-01-060-4169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20420-004 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 20420-004?
20420-004 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for 20420-004?
20420-004 is cataloged in the U.S. Government catalog under NSN 4820-01-060-4169. 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.