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20409-003 FIND 4 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20409-003 FIND 4: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: STEEL COMP 416, material_document_and_classification: QQ-S-764, TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-152-7790, 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
20409-003 FIND 4
NSN: 4820-01-152-7790
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
material_document_and_classificationQQ-S-764, TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-152-7790
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20409-003 FIND 4 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 416
SUBSTITUTES & CROSS-REFERENCES 2
20409-003Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
20409-1020Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 20409-003 FIND 4?
20409-003 FIND 4 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 20409-003 FIND 4?
There are 2 known substitutes for 20409-003 FIND 4: 20409-003, 20409-1020. Substitute compatibility should be verified for your specific system.
What is the NSN for 20409-003 FIND 4?
20409-003 FIND 4 is cataloged in the U.S. Government catalog under NSN 4820-01-152-7790. 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.