PartsTable
Technical Data Sheet
677491-078 ✓ 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 HEADSET-MICROPHONE is a the manufacturer industrial component. Key specifications include mounting_method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE, impedance_rating: 300.0 OHMS NOMINAL, controlling_agency: COHU ELECTRONICS INC, output_level_rating: 82 DB DB, earphone_element_type: DYNAMIC, microphone_element_type: DYNAMIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-01-009-2238, 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
677491-078
NSN: 5965-01-009-2238
FSC: 5965
CAGE: 05157 — COHU, INC. DBA COHU ELECTRONIC'S DIVISION DIV ELECTRONICS DIVISION (USA)
SPECIFICATIONS
mounting_methodSUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
impedance_rating300.0 OHMS NOMINAL
earphone_quantity2
controlling_agencyCOHU ELECTRONICS INC
output_level_rating82 DB DB
earphone_element_typeDYNAMIC
microphone_element_typeDYNAMIC
earphone_impedance_rating600.0 OHMS NOMINAL
earphone_controlling_agencyCOHU ELECTRONICS INC
earphone_identifying_number677491-078 DRAWING NO.
connector_controlling_agencyBUNKER RAMO CORP
connector_identifying_number71-55 PART NO.
NSN5965-01-009-2238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEADSET-MICROPHONE TITLE COMPONENT PN 677491-078 MFR HEADSET-MICROPHONE
KEY FEATURES
IMPEDANCE RATING: 300.0 OHMS NOMINAL
EARPHONE QUANTITY: 2
EARPHONE ELEMENT TYPE: DYNAMIC
CONTROLLING AGENCY: COHU ELECTRONICS INC
CONNECTOR TO JUNCTION CORD LENGTH: 5.833 FEET FT
OUTPUT LEVEL RATING: 82 DB DB
MICROPHONE ELEMENT TYPE: DYNAMIC
CONNECTOR IDENTIFYING NUMBER: 71-55 PART NO.
TECHNICAL CHARACTERISTICS (FLIS)
IMPEDANCE RATING300.0 OHMS NOMINAL
EARPHONE QUANTITY2
EARPHONE ELEMENT TYPEDYNAMIC
CONTROLLING AGENCYCOHU ELECTRONICS INC
CONNECTOR TO JUNCTION CORD LENGTH5.833 FEET FT
OUTPUT LEVEL RATING82 DB DB
MICROPHONE ELEMENT TYPEDYNAMIC
CONNECTOR IDENTIFYING NUMBER71-55 PART NO.
MICROPHONE MOUNTING FACILITYBOOM ADAPTER ON LEFT SIDE OF HEADBAND
MOUNTING METHODSUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
11-200Interchangeable
interchangeable cross-reference
interchangeable
142C905H08Interchangeable
interchangeable cross-reference
interchangeable
5237Interchangeable
interchangeable cross-reference
interchangeable
LIGACLIPInterchangeable
interchangeable cross-reference
interchangeable
LC-200Interchangeable
interchangeable cross-reference
interchangeable
LT200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 677491-078?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 677491-078?
677491-078 is a HEADSET-MICROPHONE.
What parts can replace 677491-078?
There are 6 known substitutes for 677491-078: 11-200, 142C905H08, 5237 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 677491-078?
677491-078 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-01-009-2238. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 677491-078