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3978-004 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3978-004: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include pressure_rating: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: MANGANESE BRONZE MATERIAL PER ASTM B-584 ALLOY 865;, style_designator: SOLID, end_item_identification: 14.0 IN. DEMCO BUTTERFLY VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-435-9440, 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
3978-004
NSN: 4820-01-435-9440
FSC: 4820 — Valves, Nonpowered
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
pressure_rating175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresMANGANESE BRONZE MATERIAL PER ASTM B-584 ALLOY 865;
style_designatorSOLID
end_item_identification14.0 IN. DEMCO BUTTERFLY VALVE IN
NSN4820-01-435-9440
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3978-004 · 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
•
PRESSURE RATING: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
STYLE DESIGNATOR: SOLID
TECHNICAL CHARACTERISTICS
PRESSURE RATING175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
STYLE DESIGNATORSOLID
SPECIAL FEATURESMANGANESE BRONZE MATERIAL PER ASTM B-584 ALLOY 865;
END ITEM IDENTIFICATION14.0 IN. DEMCO BUTTERFLY VALVE IN
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

No substitute or cross-reference records for this part.

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 3978-004?
3978-004 is a DISK,VALVE.
What is the NSN for 3978-004?
3978-004 is cataloged in the U.S. Government catalog under NSN 4820-01-435-9440. This indicates validated use in U.S. government and defense supply chains.
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