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V7879PC4 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

V7879PC4: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, overall_height: 0.219 INCHES NOMINAL IN, style_designator: FAUCET, body_inside_diameter: 1.000 INCHES NOMINAL IN, seating_surface_shape: ANGULAR, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-209-5953, 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
V7879PC4
NSN: 4820-00-209-5953
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_height0.219 INCHES NOMINAL IN
style_designatorFAUCET
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeANGULAR
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
NSN4820-00-209-5953
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: V7879PC4 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: FAUCET
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.219 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORFAUCET
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 3
V3417Reference document
Same NSN cross-reference
Reference document — Secondary reference
101-8055Reference document
Same NSN cross-reference
Reference document — Secondary reference
101-8055Q3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is V7879PC4?
V7879PC4 is a SEAT,VALVE.
What parts can replace V7879PC4?
There are 3 known substitutes for V7879PC4: V3417, 101-8055, 101-8055Q3. Substitute compatibility should be verified for your specific system.
What is the NSN for V7879PC4?
V7879PC4 is cataloged in the U.S. Government catalog under NSN 4820-00-209-5953. 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.