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1411C11 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1411C11: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEAT, flange_diameter: 1.062 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 0.600 INCHES NOMINAL IN, body_inside_diameter: 0.577 INCHES MAXIMUM IN, body_outside_diameter: 0.747 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-898-7086, 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
1411C11
NSN: 4820-00-898-7086
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEAT
flange_diameter1.062 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height0.600 INCHES NOMINAL IN
body_inside_diameter0.577 INCHES MAXIMUM IN
body_outside_diameter0.747 INCHES MAXIMUM IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.310 INCHES MAXIMUM IN
NSN4820-00-898-7086
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1411C11 · 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: 0.310 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 1.062 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.747 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.577 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.600 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON SEAT
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.310 INCHES MAXIMUM IN
FLANGE DIAMETER1.062 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.747 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.577 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.600 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON SEAT
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1411C11?
1411C11 is a SEAT,VALVE.
What is the NSN for 1411C11?
1411C11 is cataloged in the U.S. Government catalog under NSN 4820-00-898-7086. 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.