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Technical Data Sheet
PartsTable / COMPONENT / N11091
N11091 ✓ 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

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: COPPER ALLOY 510, fsc_application_data: STEAM WHISTLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-389-4579, 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
N11091
NSN: 4810-00-389-4579
FSC: 4810
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510
fsc_application_dataSTEAM WHISTLE
NSN4810-00-389-4579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N11091 · 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
•
FSC APPLICATION DATA: STEAM WHISTLE
•
MATERIAL: COPPER ALLOY 510
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATASTEAM WHISTLE
MATERIALCOPPER ALLOY 510
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
11091Interchangeable
interchangeable cross-reference
interchangeable
5203HInterchangeable
interchangeable cross-reference
interchangeable
7410028Interchangeable
interchangeable cross-reference
interchangeable
7191359Interchangeable
interchangeable cross-reference
interchangeable
J530Interchangeable
interchangeable cross-reference
interchangeable
3304X2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11091?
N11091 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace N11091?
There are 15 known substitutes for N11091: 11091, 5203H, 7410028 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11091?
N11091 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-389-4579. 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