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Technical Data Sheet
55074-1CHANGEA ✓ 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,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, overall_width: 1.438 INCHES NOMINAL IN, overall_height: 2.125 INCHES NOMINAL IN, overall_length: 1.656 INCHES NOMINAL IN, arc_quenching_method: INERT GAS, environmental_protection: HERMETIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-241-9219, 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
55074-1CHANGEA
NSN: 5945-00-241-9219
FSC: 5945
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
coil_quantity1
overall_width1.438 INCHES NOMINAL IN
overall_height2.125 INCHES NOMINAL IN
overall_length1.656 INCHES NOMINAL IN
winding_quantity1
arc_quenching_methodINERT GAS
environmental_protectionHERMETIC
mounting_facility_patternTRIANGLE SINGLE MOUNTING FACILITY
terminal_type_and_quantity5 PIN ALL FUNCTIONS
winding_dc_resistance_rating155.0 OHMS NOMINAL SINGLE WINDING
mounting_facility_type_and_quantity3 UNTHREADED STUD SINGLE MOUNTING FACILITY
NSN5945-00-241-9219
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 55074-1CHANGEA MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED STUD SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE: 0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
WINDING DC RESISTANCE RATING: 155.0 OHMS NOMINAL SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 150.0 DC
ARC QUENCHING METHOD: INERT GAS
MOUNTING FACILITY PATTERN: TRIANGLE SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.656 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED STUD SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
WINDING DC RESISTANCE RATING155.0 OHMS NOMINAL SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS150.0 DC
ARC QUENCHING METHODINERT GAS
MOUNTING FACILITY PATTERNTRIANGLE SINGLE MOUNTING FACILITY
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE10.0 MILLIAMPERES DC RESISTIVE LOAD
TERMINAL TYPE AND QUANTITY5 PIN ALL FUNCTIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
64517Interchangeable
interchangeable cross-reference
interchangeable
218722Interchangeable
interchangeable cross-reference
interchangeable
1994015Interchangeable
interchangeable cross-reference
interchangeable
048143Interchangeable
interchangeable cross-reference
interchangeable
A1332Interchangeable
interchangeable cross-reference
interchangeable
KH11223Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55074-1CHANGEA?
55074-1CHANGEA is a RELAY,ELECTROMAGNETIC.
What parts can replace 55074-1CHANGEA?
There are 8 known substitutes for 55074-1CHANGEA: 64517, 218722, 1994015 and 5 more. Substitute compatibility should be verified for your specific system.
Is 55074-1CHANGEA still available?
55074-1CHANGEA is currently cancelled.
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