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YMC 74203 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

YMC 74203: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, style_designator: STRAIGHT THRU, valve_operation_method: MANUAL, nominal_pipe_size_accommodated: 14.000 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-406-4512, 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
YMC 74203
NSN: 4820-01-406-4512
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
nominal_pipe_size_accommodated14.000 INCHES ALL ENDS IN
NSN4820-01-406-4512
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: YMC 74203 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 14.000 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED14.000 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL CORROSION RESISTING STEM
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
2498-14-17Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 YMC 74203?
YMC 74203 is a VALVE,BUTTERFLY.
What parts can replace YMC 74203?
There is 1 known substitute for YMC 74203: 2498-14-17. Substitute compatibility should be verified for your specific system.
What is the NSN for YMC 74203?
YMC 74203 is cataloged in the U.S. Government catalog under NSN 4820-01-406-4512. 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.