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346 190 223 — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

346 190 223: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include flow_control_device: CONE, end_item_identification: QS SYSTEM FIRFIGHTING EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-562-9172, 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
346 190 223
NSN: 4820-01-562-9172
FSC: 4820 — Valves, Nonpowered
CAGE: 47432 — INTERSPIRO INC (USA)
SPECIFICATIONS
flow_control_deviceCONE
end_item_identificationQS SYSTEM FIRFIGHTING EQUIPMENT
NSN4820-01-562-9172
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 346 190 223 · 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
•
FLOW CONTROL DEVICE: CONE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICECONE
END ITEM IDENTIFICATIONQS SYSTEM FIRFIGHTING EQUIPMENT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
10327539Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 346 190 223?
346 190 223 is a VALVE,STOP-CHECK.
What parts can replace 346 190 223?
There is 1 known substitute for 346 190 223: 10327539. Substitute compatibility should be verified for your specific system.
What is the NSN for 346 190 223?
346 190 223 is cataloged in the U.S. Government catalog under NSN 4820-01-562-9172. 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.