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20442-410 — FLUSHING BLOCK,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20442-410: FLUSHING BLOCK,HYDRAULIC SYSTEM.

FLUSHING BLOCK,HYDRAULIC SYSTEM. Key specifications include material: ALUMINUM ALLOY 6061, overall_width: 6.500 INCHES NOMINAL IN, overall_height: 2.880 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, material_document_and_classification: QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-151-6349, 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
20442-410
NSN: 4820-01-151-6349
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
overall_width6.500 INCHES NOMINAL IN
port_quantity4
overall_height2.880 INCHES NOMINAL IN
overall_length7.000 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-151-6349
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20442-410 · 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
•
PORT QUANTITY: 4
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.880 INCHES NOMINAL IN
PORT QUANTITY4
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH7.000 INCHES NOMINAL IN
OVERALL WIDTH6.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
SUBSTITUTES & CROSS-REFERENCES 2
20442-400Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
20442-400 FIND 1Reference 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 20442-410?
20442-410 is a FLUSHING BLOCK,HYDRAULIC SYSTEM.
What parts can replace 20442-410?
There are 2 known substitutes for 20442-410: 20442-400, 20442-400 FIND 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 20442-410?
20442-410 is cataloged in the U.S. Government catalog under NSN 4820-01-151-6349. 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.