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PartsTable / COMPONENT / D8471-3-50
D8471-3-50 ✓ 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 RESTRICTOR UNIT,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, body_style: STRAIGHT THRU, bulb_length: 3.000 INCHES NOMINAL IN, bulb_diameter: 0.500 INCHES NOMINAL IN, bulb_media_type: REFRIGERANT 12, mounting_method: CLAMP BULB. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-670-4158, 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
D8471-3-50
NSN: 4820-00-670-4158
FSC: 4820
CAGE: 98437 — ELLIS & WATTS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
body_styleSTRAIGHT THRU
bulb_length3.000 INCHES NOMINAL IN
bulb_diameter0.500 INCHES NOMINAL IN
bulb_media_typeREFRIGERANT 12
mounting_methodCLAMP BULB
special_featuresTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
flow_control_deviceNEEDLE
capillary_tube_length60.000 INCHES NOMINAL IN
first_end_thread_class2A A
end_connection_quantity2
second_end_thread_class2A A
NSN4820-00-670-4158
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D8471-3-50 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BULB MEDIA TYPE: REFRIGERANT 12
•
MOUNTING METHOD: CLAMP BULB
•
REFRIGERATION CAPACITY IN BTU PER HOUR: 6.0
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
•
FLOW CONTROL DEVICE: NEEDLE
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BULB MEDIA TYPEREFRIGERANT 12
MOUNTING METHODCLAMP BULB
REFRIGERATION CAPACITY IN BTU PER HOUR6.0
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
FLOW CONTROL DEVICENEEDLE
FIRST END THREAD CLASS2A A
END CONNECTION QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
50754Interchangeable
interchangeable cross-reference
interchangeable
SE-50754Interchangeable
interchangeable cross-reference
interchangeable
209F50754Interchangeable
Same NIIN cross-reference
interchangeable
223FA1-2-55PSIInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D8471-3-50?
D8471-3-50 is a RESTRICTOR UNIT,FLUID FLOW.
What parts can replace D8471-3-50?
There are 4 known substitutes for D8471-3-50: 50754, SE-50754, 209F50754 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D8471-3-50?
D8471-3-50 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-670-4158. 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