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353A-QNS — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

353A-QNS: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-235-5696, 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
353A-QNS
NSN: 4820-01-235-5696
FSC: 4820 — Valves, Nonpowered
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
Part Number353A-QNS
NSN4820-01-235-5696
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 353A-QNS · 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
SUBSTITUTES & CROSS-REFERENCES 3
90C01-7592Reference document
Same NSN cross-reference
Reference document — Secondary reference
5MH46-709 ITEM 53Reference document
Same NSN cross-reference
Reference document — Secondary reference
5MH46-709Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 353A-QNS?
353A-QNS is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace 353A-QNS?
There are 3 known substitutes for 353A-QNS: 90C01-7592, 5MH46-709 ITEM 53, 5MH46-709. Substitute compatibility should be verified for your specific system.
What is the NSN for 353A-QNS?
353A-QNS is cataloged in the U.S. Government catalog under NSN 4820-01-235-5696. 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.