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404185 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include width: 16.000 INCHES NOMINAL IN, length: 18.000 INCHES NOMINAL IN, material: RUBBER FOAM, disk_type: PLAIN, nut_style: SHEET SPRING, nut_width: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM 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 4820-00-057-2396, 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
404185
NSN: 4820-00-057-2396
FSC: 4820
CAGE: 78393 — MINTEX INTERNATIONAL CORP (USA)
SPECIFICATIONS
width16.000 INCHES NOMINAL IN
length18.000 INCHES NOMINAL IN
materialRUBBER FOAM
disk_typePLAIN
nut_styleSHEET SPRING
nut_width0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
nut_height0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
nut_length0.661 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN
design_typeDRY
flexibilityRIGID
flange_width0.3750 INCHES NOMINAL IN
power_sourceEXTERNAL
NSN4820-00-057-2396
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 404185 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4-117Interchangeable
interchangeable cross-reference
interchangeable
76B140Interchangeable
interchangeable cross-reference
interchangeable
21U1141PC4117Interchangeable
interchangeable cross-reference
interchangeable
25312Interchangeable
interchangeable cross-reference
interchangeable
852252Interchangeable
interchangeable cross-reference
interchangeable
B4117Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404185?
404185 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 404185?
There are 14 known substitutes for 404185: 4-117, 76B140, 21U1141PC4117 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404185?
404185 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-057-2396. 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