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3189142-2 — SUBPLATE ASSEMBLY,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3189142-2: SUBPLATE ASSEMBLY,VALVE.

The SUBPLATE ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: ALUMINUM ALLOY, QQ-A-250/11, 6061-T6; MOUNTED IN ANY POSITION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-200-9419, 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
3189142-2
NSN: 4820-01-200-9419
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY, QQ-A-250/11, 6061-T6; MOUNTED IN ANY POSITION
NSN4820-01-200-9419
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3189142-2 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY, QQ-A-250/11, 6061-T6; MOUNTED IN ANY POSITION
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY, QQ-A-250/11, 6061-T6; MOUNTED IN ANY POSITION
SUBSTITUTES & CROSS-REFERENCES 3
3188547Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
318142-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
3188547 ITEM 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3189142-2?
3189142-2 is a SUBPLATE ASSEMBLY,VALVE.
What parts can replace 3189142-2?
There are 3 known substitutes for 3189142-2: 3188547, 318142-2, 3188547 ITEM 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3189142-2?
3189142-2 is cataloged in the U.S. Government catalog under NSN 4820-01-200-9419. 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.