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Technical Data Sheet
11780-4 ✓ 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 body_width: 1.780 INCHES MAXIMUM IN, body_height: 3.280 INCHES MAXIMUM IN, body_length: 3.000 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_length: 35.000 FEET NOMINAL FT, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-916-2305, 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
11780-4
NSN: 5985-00-916-2305
FSC: 5985
CAGE: 19133 — MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS AEROSPACE OPNS WEST (USA)
SPECIFICATIONS
body_width1.780 INCHES MAXIMUM IN
body_height3.280 INCHES MAXIMUM IN
body_length3.000 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length35.000 FEET NOMINAL FT
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating15.0 KILOHERTZ NOMINAL SINGLE COMPONENT
radiation_patternOMNIDIRECTIONAL ALL ANTENNAS
beam_scanning_methodFIXED ALL ANTENNAS
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
mounting_hole_diameter0.156 INCHES NOMINAL SINGLE GROUP IN
NSN5985-00-916-2305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 11780-4 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
FREQUENCY RATING: 265.000 KILOHERTZ MINIMUM AND 535.000 KILOHERTZ MAXIMUM ALL ANTENNAS
RADIATION PATTERN: OMNIDIRECTIONAL ALL ANTENNAS
BEAM SCANNING METHOD: FIXED ALL ANTENNAS
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY RATING265.000 KILOHERTZ MINIMUM AND 535.000 KILOHERTZ MAXIMUM ALL ANTENNAS
RADIATION PATTERNOMNIDIRECTIONAL ALL ANTENNAS
OVERALL LENGTH35.000 FEET NOMINAL FT
BEAM SCANNING METHODFIXED ALL ANTENNAS
END ITEM IDENTIFICATIONAN/TRN-25 BEACON-TRANSPONDER SET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
984717-4BInterchangeable
interchangeable cross-reference
interchangeable
310-018388-01Interchangeable
interchangeable cross-reference
interchangeable
310-18721-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11780-4?
11780-4 is a RELAY,ELECTROMAGNETIC.
What parts can replace 11780-4?
There are 3 known substitutes for 11780-4: 984717-4B, 310-018388-01, 310-18721-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 11780-4?
11780-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-916-2305. This indicates validated use in U.S. government and defense supply chains.
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