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Technical Data Sheet
PartsTable / COMPONENT / 20256H01S0040/CD17083
20256H01S0040/CD17083 ✓ 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 20256H01S0040/CD17083 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-498-9252, 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
20256H01S0040/CD17083
NSN: 4820-01-498-9252
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part Number20256H01S0040/CD17083
NSN4820-01-498-9252
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20256H01S0040/CD17083 · 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
•
DISK LOADING METHOD: SPRING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE SEAT
•
BONNET ATTACHMENT METHOD: BOLTED
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL: NICKEL ALLOY SEAT
TECHNICAL CHARACTERISTICS (FLIS)
DISK LOADING METHODSPRING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE BODY
BONNET ATTACHMENT METHODBOLTED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A OR B ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORANGLE
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL STEM
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
13N16Interchangeable
interchangeable cross-reference
interchangeable
150-618FFITEM38Interchangeable
interchangeable cross-reference
interchangeable
20-256Interchangeable
interchangeable cross-reference
interchangeable
20258Interchangeable
interchangeable cross-reference
interchangeable
6406311-1Interchangeable
interchangeable cross-reference
interchangeable
MM54C08JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20256H01S0040/CD17083?
20256H01S0040/CD17083 is a 20256H01S0040/CD17083.
What parts can replace 20256H01S0040/CD17083?
There are 10 known substitutes for 20256H01S0040/CD17083: 13N16, 150-618FFITEM38, 20-256 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20256H01S0040/CD17083?
20256H01S0040/CD17083 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-498-9252. 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