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PartsTable / COMPONENT / SC3978PC4
SC3978PC4 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_height: 1.937 INCHES NOMINAL IN, outside_diameter: 2.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-058-2823, 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
SC3978PC4
NSN: 4820-00-058-2823
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height1.937 INCHES NOMINAL IN
outside_diameter2.312 INCHES NOMINAL IN
NSN4820-00-058-2823
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SC3978PC4 · 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
•
OUTSIDE DIAMETER: 2.312 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.312 INCHES NOMINAL IN
OVERALL HEIGHT1.937 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
125-130P4Interchangeable
interchangeable cross-reference
interchangeable
Q70994-5Interchangeable
interchangeable cross-reference
interchangeable
8825K5Interchangeable
interchangeable cross-reference
interchangeable
710660Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC3978PC4?
SC3978PC4 is a DISK,VALVE.
What parts can replace SC3978PC4?
There are 4 known substitutes for SC3978PC4: 125-130P4, Q70994-5, 8825K5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC3978PC4?
SC3978PC4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-058-2823. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026