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Technical Data Sheet
PartsTable / COMPONENT / 8839
8839 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, material: GLASS OVERALL, duty_type: CONTINUOUS, duty_cycle: CONTINUOUS, temp_rating: 40.0 OPERATING CELSIUS, keyway_depth: 0.1250 INCHES NOMINAL IDENTICAL ENDS 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 4810-00-163-0475, 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
8839
NSN: 4810-00-163-0475
FSC: 4810
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
phaseTHREE INPUT
materialGLASS OVERALL
duty_typeCONTINUOUS
duty_cycleCONTINUOUS
temp_rating40.0 OPERATING CELSIUS
keyway_depth0.1250 INCHES NOMINAL IDENTICAL ENDS IN
keyway_width0.3750 INCHES NOMINAL IDENTICAL ENDS IN
thread_class2A SINGLE MOUNTING FACILITY A
winding_typeINDUCTION-SQUIRREL CAGE
coil_quantity1
overall_width19.938 INCHES IN
physical_formSPOOL
NSN4810-00-163-0475
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8839 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL,STEEL;INCLUDES 1 ROD;1 PIN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL,STEEL;INCLUDES 1 ROD;1 PIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4-5175Interchangeable
interchangeable cross-reference
interchangeable
640U-2C-240AInterchangeable
interchangeable cross-reference
interchangeable
500GInterchangeable
interchangeable cross-reference
interchangeable
8839MOTORInterchangeable
interchangeable cross-reference
interchangeable
8839M0T0RInterchangeable
interchangeable cross-reference
interchangeable
8839Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8839?
8839 is a RELAY,ELECTROMAGNETIC.
What parts can replace 8839?
There are 9 known substitutes for 8839: 4-5175, 640U-2C-240A, 500G and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8839?
8839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-163-0475. 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