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C3774S — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C3774S: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, overall_length: 12.750 INCHES NOMINAL IN, largest_outside_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-623-8733, 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
C3774S
NSN: 4820-00-623-8733
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 416
overall_length12.750 INCHES NOMINAL IN
largest_outside_diameter0.625 INCHES NOMINAL IN
NSN4820-00-623-8733
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C3774S · 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
•
LARGEST OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
OVERALL LENGTH12.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 416
SUBSTITUTES & CROSS-REFERENCES 5
004.307.0363Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NMP-1527Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP-1527 PC 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
004-300-0363Reference document
Same NSN cross-reference
Reference document — Secondary reference
NP1124PC14Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C3774S?
C3774S is a STEM,FLUID VALVE.
What parts can replace C3774S?
There are 5 known substitutes for C3774S: 004.307.0363, NMP-1527, NMP-1527 PC 4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C3774S?
C3774S is cataloged in the U.S. Government catalog under NSN 4820-00-623-8733. 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.