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RE-978/ARC — Technical Data Sheet

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— · 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 ASSEMBLY is a the manufacturer industrial component. Key specifications include overall_width: 3.500 INCHES NOMINAL IN, overall_height: 2.125 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, mounting_configuration: RACK MOUNTED IN COCKPIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-970-6116, 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
RE-978/ARC
NSN: 5945-00-970-6116
FSC: 5945
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
overall_width3.500 INCHES NOMINAL IN
overall_height2.125 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
mounting_configurationRACK MOUNTED IN COCKPIT
NSN5945-00-970-6116
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY ASSEMBLY TITLE COMPONENT PN RE-978/ARC MFR RELAY ASSEMBLY
KEY FEATURES
•
MOUNTING CONFIGURATION: RACK MOUNTED IN COCKPIT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING CONFIGURATIONRACK MOUNTED IN COCKPIT
OVERALL WIDTH3.500 INCHES NOMINAL IN
OVERALL HEIGHT2.125 INCHES NOMINAL IN
OVERALL LENGTH5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
296Interchangeable
interchangeable cross-reference
interchangeable
A649Interchangeable
interchangeable cross-reference
interchangeable
296C3Interchangeable
interchangeable cross-reference
interchangeable
A12041Interchangeable
interchangeable cross-reference
interchangeable
649Interchangeable
interchangeable cross-reference
interchangeable
565253Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RE-978/ARC?
RE-978/ARC is a RELAY ASSEMBLY.
What parts can replace RE-978/ARC?
There are 17 known substitutes for RE-978/ARC: 296, A649, 296C3 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RE-978/ARC?
RE-978/ARC is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-970-6116. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026