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NC403766 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: 6.0IN. BUTTERFLY VALVE IAW MIL-V-24624,TY I,STYLE A IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-392-8690, 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
NC403766
NSN: 4820-01-392-8690
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identification6.0IN. BUTTERFLY VALVE IAW MIL-V-24624,TY I,STYLE A IN
NSN4820-01-392-8690
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NC403766 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION6.0IN. BUTTERFLY VALVE IAW MIL-V-24624,TY I,STYLE A IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
31118Interchangeable
interchangeable cross-reference
interchangeable
403766Interchangeable
interchangeable cross-reference
interchangeable
31118BInterchangeable
interchangeable cross-reference
interchangeable
405891Interchangeable
interchangeable cross-reference
interchangeable
31428N ITEM 30Interchangeable
Same NIIN cross-reference
interchangeable
2498-00-300 6IN,TY I,ITEM 30Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NC403766?
NC403766 is a SEAT,VALVE.
What parts can replace NC403766?
There are 6 known substitutes for NC403766: 31118, 403766, 31118B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NC403766?
NC403766 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-392-8690. 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