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3R49180 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3R49180: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include end_item_identification: VALVES,NONPOWERED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-441-1639, 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
3R49180
NSN: 4820-00-441-1639
FSC: 4820 — Valves, Nonpowered
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
end_item_identificationVALVES,NONPOWERED
NSN4820-00-441-1639
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3R49180 · 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
END ITEM IDENTIFICATIONVALVES,NONPOWERED
SUBSTITUTES & CROSS-REFERENCES 4
5562F4YSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4820PL0633125Reference document
Same NSN cross-reference
Reference document — Informative reference only
5562F4ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
920A20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3R49180?
3R49180 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 3R49180?
There are 4 known substitutes for 3R49180: 5562F4Y, 4820PL0633125, 5562F4A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3R49180?
3R49180 is cataloged in the U.S. Government catalog under NSN 4820-00-441-1639. 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.