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7820011-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7820011-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, flange_diameter: 0.482 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.048 INCHES NOMINAL IN, body_inside_diameter: 0.073 INCHES NOMINAL IN, body_outside_diameter: 0.307 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-176-8486, 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
7820011-1
NSN: 4820-01-176-8486
FSC: 4820 — Valves, Nonpowered
CAGE: 62323 — CONAX FLORIDA CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
flange_diameter0.482 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.048 INCHES NOMINAL IN
body_inside_diameter0.073 INCHES NOMINAL IN
body_outside_diameter0.307 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.077 INCHES NOMINAL IN
NSN4820-01-176-8486
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7820011-1 · 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: 0.077 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.482 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.307 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.073 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.048 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.077 INCHES NOMINAL IN
FLANGE DIAMETER0.482 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.307 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.073 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.048 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
SEATING SURFACE SHAPEFLAT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7820011-1?
7820011-1 is a SEAT,VALVE.
What is the NSN for 7820011-1?
7820011-1 is cataloged in the U.S. Government catalog under NSN 4820-01-176-8486. 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.