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PartsTable / COMPONENT / YCA56903
YCA56903 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The GEAR OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: ARLEIGH BURKE CLASS DDG, valve_size_for_which_designed: 2.500 INCHES IN, valve_type_for_which_designed: BUTTERFLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-433-1266, 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
YCA56903
NSN: 4820-01-433-1266
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identificationARLEIGH BURKE CLASS DDG
valve_size_for_which_designed2.500 INCHES IN
valve_type_for_which_designedBUTTERFLY
NSN4820-01-433-1266
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: YCA56903 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
•
VALVE SIZE FOR WHICH DESIGNED: 2.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONARLEIGH BURKE CLASS DDG
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
VALVE SIZE FOR WHICH DESIGNED2.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
31426NInterchangeable
interchangeable cross-reference
interchangeable
YCL78124Interchangeable
interchangeable cross-reference
interchangeable
2498-00-266 CD 31426NInterchangeable
interchangeable cross-reference
interchangeable
2498-00-266 CD 31430NInterchangeable
interchangeable cross-reference
interchangeable
31430NInterchangeable
interchangeable cross-reference
interchangeable
MLA-25-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YCA56903?
YCA56903 is a GEAR OPERATOR,VALVE.
What parts can replace YCA56903?
There are 11 known substitutes for YCA56903: 31426N, YCL78124, 2498-00-266 CD 31426N and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for YCA56903?
YCA56903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-433-1266. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026