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Technical Data Sheet
HC-4 ✓ 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 width: 8.500 INCHES NOMINAL IN, length: 11.000 INCHES NOMINAL IN, material: STEEL OVERALL, duty_type: CONTINUOUS, film_type: STILL PICTURE, base_color: CLEAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-284-9412, 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
HC-4
NSN: 5965-00-284-9412
FSC: 5965
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
width8.500 INCHES NOMINAL IN
length11.000 INCHES NOMINAL IN
materialSTEEL OVERALL
duty_typeCONTINUOUS
film_typeSTILL PICTURE
base_colorCLEAR
body_styleEARPHONE ELEMENT, CIRCULAR
time_delay0.006 SECONDS MAXIMUM FIXED OPERATE TIME
usage_formSHEET
film_subtypeCAMERA
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2A SINGLE MOUNTING FACILITY A
NSN5965-00-284-9412
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN HC-4 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
EARPHONE ELEMENT DEPTH: 0.688 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS: 600.0 NOMINAL
ACOUSTIC SENSITIVITY REFERENCE RATING: NOT RATED
BODY STYLE: EARPHONE ELEMENT, CIRCULAR
OVERALL DIAMETER: 1.625 INCHES NOMINAL IN
EARPHONE ELEMENT TYPE: MAGNETIC
TECHNICAL CHARACTERISTICS (FLIS)
EARPHONE ELEMENT DEPTH0.688 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS600.0 NOMINAL
ACOUSTIC SENSITIVITY REFERENCE RATINGNOT RATED
BODY STYLEEARPHONE ELEMENT, CIRCULAR
OVERALL DIAMETER1.625 INCHES NOMINAL IN
EARPHONE ELEMENT TYPEMAGNETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
HC-4Interchangeable
interchangeable cross-reference
interchangeable
P707Interchangeable
interchangeable cross-reference
interchangeable
577154Interchangeable
interchangeable cross-reference
interchangeable
KODALITH ORTHO 3 4556Interchangeable
interchangeable cross-reference
interchangeable
KODALITH ORTHO 3 2556Interchangeable
interchangeable cross-reference
interchangeable
GAFMAT LITHOFILM P407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HC-4?
HC-4 is a RELAY,ELECTROMAGNETIC.
What parts can replace HC-4?
There are 17 known substitutes for HC-4: HC-4, P707, 577154 and 14 more. Substitute compatibility should be verified for your specific system.
Is HC-4 still available?
HC-4 is currently cancelled.
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