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C-8784 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C-8784: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, flange_diameter: 0.937 INCHES NOMINAL IN, connection_style: STREAMLINED WITH TWO BRAZING RINGS ALL ENDS, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-280-2126, 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
C-8784
NSN: 4820-00-280-2126
NIINs: 002802126, 014070978
FSC: 4820 — Valves, Nonpowered
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
flange_diameter0.937 INCHES NOMINAL IN
connection_styleSTREAMLINED WITH TWO BRAZING RINGS ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
under_flange_height0.203 INCHES NOMINAL IN
body_inside_diameter0.281 INCHES NOMINAL IN
body_outside_diameter0.875 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-00-280-2126
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-8784 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.046 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.937 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.281 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.203 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.046 INCHES NOMINAL IN
FLANGE DIAMETER0.937 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.281 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.203 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCPV,1/4 IN. GLOBE VALVE,P/N 380-1 IN
MATERIALPLASTIC OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
025461DOReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
180P1041L1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C-8784?
C-8784 is a SEAT,VALVE.
What parts can replace C-8784?
There are 2 known substitutes for C-8784: 025461DO, 180P1041L1. Substitute compatibility should be verified for your specific system.
What is the NSN for C-8784?
C-8784 is cataloged in the U.S. Government catalog under NSN 4820-00-280-2126. 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.