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2498-14-17-21 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2498-14-17-21: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, body_outside_diameter: 13.618 INCHES NOMINAL IN, seating_surface_shape: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-399-1004, 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
2498-14-17-21
NSN: 4820-01-399-1004
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
body_outside_diameter13.618 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-01-399-1004
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2498-14-17-21 · 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: 13.618 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER13.618 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 1
2498-14-17Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2498-14-17-21?
2498-14-17-21 is a SEAT,VALVE.
What parts can replace 2498-14-17-21?
There is 1 known substitute for 2498-14-17-21: 2498-14-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 2498-14-17-21?
2498-14-17-21 is cataloged in the U.S. Government catalog under NSN 4820-01-399-1004. 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.