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20401-001 — HOUSING,BEARING UNIT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20401-001: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include height: 5.475 INCHES NOMINAL IN, material: ALUMINUM ALLOY, overall_length: 5.000 INCHES NOMINAL IN, slide_material: STEEL, sleeve_material: STEEL, valve_design_control_activity: 78062. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-118-1529, 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
20401-001
NSN: 4810-01-118-1529
NIINs: 011181529, 011211440, 011216417, 014408067
FSC: 4810 — Valves, Powered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
height5.475 INCHES NOMINAL IN
materialALUMINUM ALLOY
overall_length5.000 INCHES NOMINAL IN
slide_materialSTEEL
sleeve_materialSTEEL
valve_design_control_activity78062
NSN4810-01-118-1529
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20401-001 · 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: ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS
MATERIALALUMINUM ALLOY 6061 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
20401-001 FIND 23Reference 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 20401-001?
20401-001 is a HOUSING,BEARING UNIT.
What parts can replace 20401-001?
There is 1 known substitute for 20401-001: 20401-001 FIND 23. Substitute compatibility should be verified for your specific system.
What is the NSN for 20401-001?
20401-001 is cataloged in the U.S. Government catalog under NSN 4810-01-118-1529. 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.