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PartsTable / COMPONENT / 2190-6421-3/4IN
2190-6421-3/4IN ✓ 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 2190-6421-3/4IN 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 4810-00-146-6011, 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
2190-6421-3/4IN
NSN: 4810-00-146-6011
FSC: 4810
CAGE: 90800 — ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROLS DIV HAYS FLUID CONTROLS DIVISION (USA)
SPECIFICATIONS
Part Number2190-6421-3/4IN
NSN4810-00-146-6011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2190-6421-3/4IN · 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 OPERATION METHOD: SOLENOID
•
FREQUENCY IN HERTZ: 60.0
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 331.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
PHASE: SINGLE
•
MATERIAL: COPPER ALLOY BODY
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODSOLENOID
FREQUENCY IN HERTZ60.0
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP331.0 FAHRENHEIT SINGLE RESPONSE DEGF
PHASESINGLE
MATERIALCOPPER ALLOY BODY
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FLOW CONTROL DEVICEPISTON
CURRENT RATING IN AMPS0.310
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3340Interchangeable
interchangeable cross-reference
interchangeable
334Interchangeable
interchangeable cross-reference
interchangeable
850726Interchangeable
interchangeable cross-reference
interchangeable
816774Interchangeable
interchangeable cross-reference
interchangeable
4993FInterchangeable
interchangeable cross-reference
interchangeable
FB34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2190-6421-3/4IN?
2190-6421-3/4IN is a 2190-6421-3/4IN.
What parts can replace 2190-6421-3/4IN?
There are 12 known substitutes for 2190-6421-3/4IN: 3340, 334, 850726 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2190-6421-3/4IN?
2190-6421-3/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-146-6011. 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