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14503N — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

14503N: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 81.0 DEGREES NOMINAL, tip_diameter: 0.570 INCHES NOMINAL IN, overall_height: 16.844 INCHES NOMINAL IN, shank_diameter: 0.625 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-201-7802, 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
14503N
NSN: 4820-01-201-7802
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle81.0 DEGREES NOMINAL
tip_diameter0.570 INCHES NOMINAL IN
overall_height16.844 INCHES NOMINAL IN
shank_diameter0.625 INCHES NOMINAL IN
style_designatorPOPPET
under_flange_height4.219 INCHES NOMINAL IN
flange_seat_to_disk_end_height12.625 INCHES NOMINAL IN
NSN4820-01-201-7802
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 14503N · 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
•
SHANK DIAMETER: 0.625 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 12.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
TIP DIAMETER: 0.570 INCHES NOMINAL IN
•
SEAT ANGLE: 81.0 DEGREES NOMINAL
•
UNDER FLANGE HEIGHT: 4.219 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.625 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT12.625 INCHES NOMINAL IN
OVERALL HEIGHT16.844 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
TIP DIAMETER0.570 INCHES NOMINAL IN
SEAT ANGLE81.0 DEGREES NOMINAL
UNDER FLANGE HEIGHT4.219 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
N431550058Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
14503N PIECE 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 14503N?
14503N is a DISK,VALVE.
What parts can replace 14503N?
There are 2 known substitutes for 14503N: N431550058, 14503N PIECE 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 14503N?
14503N is cataloged in the U.S. Government catalog under NSN 4820-01-201-7802. 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.