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Technical Data Sheet
C503000328 ✓ 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, time_delay: 0.01 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME, overall_width: 1.270 INCHES NOMINAL IN, overall_height: 0.840 INCHES NOMINAL IN, overall_length: 1.950 INCHES NOMINAL IN, environmental_protection: HERMETIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-949-7979, 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
C503000328
NSN: 5945-00-949-7979
FSC: 5945
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
time_delay0.01 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
coil_quantity1
overall_width1.270 INCHES NOMINAL IN
overall_height0.840 INCHES NOMINAL IN
overall_length1.950 INCHES NOMINAL IN
winding_quantity1
environmental_protectionHERMETIC
mounting_facility_patternRECTANGULAR SINGLE MOUNTING FACILITY
terminal_type_and_quantity38 PIN ALL FUNCTIONS
winding_dc_resistance_rating306.0 OHMS NOMINAL SINGLE WINDING
unthreaded_mounting_hole_diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
NSN5945-00-949-7979
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN C503000328 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
DUTY TYPE: CONTINUOUS
NONPILE-UP MAIN CONTACT ARRANGEMENT: 12 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 28.0 DC
WINDING QUANTITY: 1
UNTHREADED MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.270 INCHES NOMINAL IN
OVERALL HEIGHT0.840 INCHES NOMINAL IN
DUTY TYPECONTINUOUS
NONPILE-UP MAIN CONTACT ARRANGEMENT12 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS28.0 DC
WINDING QUANTITY1
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.734 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3271-4391Interchangeable
interchangeable cross-reference
interchangeable
4391Interchangeable
interchangeable cross-reference
interchangeable
80263Interchangeable
interchangeable cross-reference
interchangeable
KN-56-03Interchangeable
interchangeable cross-reference
interchangeable
TRU-2807Interchangeable
interchangeable cross-reference
interchangeable
6435Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C503000328?
C503000328 is a RELAY,ELECTROMAGNETIC.
What parts can replace C503000328?
There are 15 known substitutes for C503000328: 3271-4391, 4391, 80263 and 12 more. Substitute compatibility should be verified for your specific system.
Is C503000328 still available?
C503000328 is currently cancelled.
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