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V7844 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

V7844: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, overall_height: 1.062 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 0.667 NOMINAL, body_inside_diameter: 4.500 INCHES NOMINAL IN, body_outside_diameter: 5.617 INCHES MINIMUM AND 5.622 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-019-0636, 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
V7844
NSN: 4820-00-019-0636
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_height1.062 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg0.667 NOMINAL
body_inside_diameter4.500 INCHES NOMINAL IN
body_outside_diameter5.617 INCHES MINIMUM AND 5.622 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
NSN4820-00-019-0636
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: V7844 · 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: 5.617 INCHES MINIMUM AND 5.622 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SEAT ANGLE IN DEG: 0.667 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.062 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER5.617 INCHES MINIMUM AND 5.622 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER4.500 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEAT ANGLE IN DEG0.667 NOMINAL
SEATING SURFACE SHAPEANGULAR
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 V7844?
V7844 is a SEAT,VALVE.
What is the NSN for V7844?
V7844 is cataloged in the U.S. Government catalog under NSN 4820-00-019-0636. 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.