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K4579 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,METER MOVEMENT is a the manufacturer industrial component. Key specifications include body_length: 1.688 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT, body_outside_diameter: 0.812 INCHES MAXIMUM IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-984-2873, 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
K4579
NSN: 5950-00-984-2873
FSC: 5950
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)
SPECIFICATIONS
body_length1.688 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
body_outside_diameter0.812 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp105.0 CELSIUS DEGC
mounting_hole_diameter0.125 INCHES NOMINAL SINGLE GROUP IN
winding_operating_voltage160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity5 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-984-2873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,METER MOVEMENT TITLE COMPONENT PN K4579 MFR RELAY,METER MOVEMENT
KEY FEATURES
•
MAXIMUM OPERATING TEMP: 105.0 CELSIUS DEGC
•
WINDING OPERATING VOLTAGE: 160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
TERMINAL TYPE AND QUANTITY: 5 TAB, SOLDER LUG
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
BODY LENGTH: 1.688 INCHES MAXIMUM IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP105.0 CELSIUS DEGC
WINDING OPERATING VOLTAGE160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
BODY LENGTH1.688 INCHES MAXIMUM IN
WINDING OPERATING VOLTAGE120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
INCLOSURE TYPEHERMETICALLY SEALED
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
0N510455Interchangeable
interchangeable cross-reference
interchangeable
KP529AInterchangeable
interchangeable cross-reference
interchangeable
26987-1Interchangeable
interchangeable cross-reference
interchangeable
40109-27Interchangeable
interchangeable cross-reference
interchangeable
S6860Interchangeable
interchangeable cross-reference
interchangeable
8117Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K4579?
K4579 is a RELAY,METER MOVEMENT.
What parts can replace K4579?
There are 20 known substitutes for K4579: 0N510455, KP529A, 26987-1 and 17 more. Substitute compatibility should be verified for your specific system.
Is K4579 still available?
K4579 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026