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C3906PC4 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C3906PC4: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, seat_radius: 0.062 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, special_features: 4 OUTER PERIPHERAL NOTCHES 0.062 IN.WIDE,0.062 IN.DEEP AND 90 DEGREES APART IN, style_designator: PLAIN, body_inside_diameter: 1.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-792-6501, 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
C3906PC4
NSN: 4820-00-792-6501
FSC: 4820 — Valves, Nonpowered
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
seat_radius0.062 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
special_features4 OUTER PERIPHERAL NOTCHES 0.062 IN.WIDE,0.062 IN.DEEP AND 90 DEGREES APART IN
style_designatorPLAIN
body_inside_diameter1.875 INCHES NOMINAL IN
body_outside_diameter3.938 INCHES NOMINAL IN
seating_surface_shapeRADIAL
NSN4820-00-792-6501
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C3906PC4 · 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
•
BODY OUTSIDE DIAMETER: 3.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
SEAT RADIUS: 0.062 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.938 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.875 INCHES NOMINAL IN
SEAT RADIUS0.062 INCHES NOMINAL IN
SPECIAL FEATURES4 OUTER PERIPHERAL NOTCHES 0.062 IN.WIDE,0.062 IN.DEEP AND 90 DEGREES APART IN
MATERIALPLASTIC OVERALL
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 2
Y3041Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
V3041Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 C3906PC4?
C3906PC4 is a SEAT,VALVE.
What parts can replace C3906PC4?
There are 2 known substitutes for C3906PC4: Y3041, V3041. Substitute compatibility should be verified for your specific system.
What is the NSN for C3906PC4?
C3906PC4 is cataloged in the U.S. Government catalog under NSN 4820-00-792-6501. 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.