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SI4394203-205 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SI4394203-205: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include special_features: NHA PUMP ASSEMBLY, AXLE JACK, P/N SI4394202-201, end_item_identification: E/I AIRCRAFT LANDING GEAR JACK; W/S CONSOLIDATED GROUND SUPPORT EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-485-8500, 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
SI4394203-205
NSN: 4810-01-485-8500
FSC: 4810 — Valves, Powered
CAGE: 19494 — SEYER INDUSTRIES, INC. DBA SEYER INDUSTRIES INC (USA)
SPECIFICATIONS
special_featuresNHA PUMP ASSEMBLY, AXLE JACK, P/N SI4394202-201
end_item_identificationE/I AIRCRAFT LANDING GEAR JACK; W/S CONSOLIDATED GROUND SUPPORT EQUIPMENT
NSN4810-01-485-8500
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SI4394203-205 · 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 FEATURESNHA PUMP ASSEMBLY, AXLE JACK, P/N SI4394202-201
END ITEM IDENTIFICATIONE/I AIRCRAFT LANDING GEAR JACK; W/S CONSOLIDATED GROUND SUPPORT EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES 1
SI4394202-201Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SI4394203-205?
SI4394203-205 is a STEM,FLUID VALVE.
What parts can replace SI4394203-205?
There is 1 known substitute for SI4394203-205: SI4394202-201. Substitute compatibility should be verified for your specific system.
What is the NSN for SI4394203-205?
SI4394203-205 is cataloged in the U.S. Government catalog under NSN 4810-01-485-8500. 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.