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Technical Data Sheet
PartsTable / COMPONENT / 503-9391-003
503-9391-003 ✓ 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, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 2.000 INCHES NOMINAL IN, overall_length: 1.370 INCHES NOMINAL IN, nominal_thread_size: 0.099 INCHES SINGLE MOUNTING FACILITY IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-502-9047, 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
503-9391-003
NSN: 5945-00-502-9047
FSC: 5945
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
thread_class2B SINGLE MOUNTING FACILITY
coil_quantity1
overall_width0.750 INCHES NOMINAL IN
overall_height2.000 INCHES NOMINAL IN
overall_length1.370 INCHES NOMINAL IN
winding_quantity1
nominal_thread_size0.099 INCHES SINGLE MOUNTING FACILITY IN
end_item_identificationTYPE NO. ID-226A/APR-9 A
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
mounting_facility_patternRECTANGULAR SINGLE MOUNTING FACILITY
terminal_type_and_quantity4 PIN ALL FUNCTIONS
NSN5945-00-502-9047
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 503-9391-003 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
MOUNTING FACILITY PATTERN: RECTANGULAR SINGLE MOUNTING FACILITY
•
WINDING DC RESISTANCE RATING: 300.0 OHMS NOMINAL SINGLE WINDING
•
TERMINAL TYPE AND QUANTITY: 4 PIN ALL FUNCTIONS
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY PATTERNRECTANGULAR SINGLE MOUNTING FACILITY
WINDING DC RESISTANCE RATING300.0 OHMS NOMINAL SINGLE WINDING
TERMINAL TYPE AND QUANTITY4 PIN ALL FUNCTIONS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
END ITEM IDENTIFICATIONTYPE NO. ID-226A/APR-9 A
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
THREAD CLASS2B SINGLE MOUNTING FACILITY
OVERALL LENGTH1.370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
13007Interchangeable
interchangeable cross-reference
interchangeable
24007Interchangeable
interchangeable cross-reference
interchangeable
66885Interchangeable
interchangeable cross-reference
interchangeable
2173INPC61Interchangeable
interchangeable cross-reference
interchangeable
80515-1PC83Interchangeable
interchangeable cross-reference
interchangeable
0568 9808Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-9391-003?
503-9391-003 is a RELAY,ELECTROMAGNETIC.
What parts can replace 503-9391-003?
There are 15 known substitutes for 503-9391-003: 13007, 24007, 66885 and 12 more. Substitute compatibility should be verified for your specific system.
Is 503-9391-003 still available?
503-9391-003 is currently cancelled.
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Last verified: July 2026