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Technical Data Sheet
1273321-1 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include connector_name: PLUG, mounting_method: SUSPENDED ON HEADBAND EARPHONE, impedance_rating: 150.0 OHMS NOMINAL, special_features: 6 CONDUCTOR BRAIDED NYLON CORD; HEADSET ADJUSTABLE FROM 4.125 IN. TO 6.250 IN.

IN, fsc_application_data: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS, earphone_element_type: DYNAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-01-039-2794, 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
1273321-1
NSN: 5965-01-039-2794
FSC: 5965
CAGE: 02734 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AEROSTRUCTURES DIV ADVANCED TECHNOLOGY LABORATORIES (USA)
SPECIFICATIONS
connector_namePLUG
mounting_methodSUSPENDED ON HEADBAND EARPHONE
impedance_rating150.0 OHMS NOMINAL
special_features6 CONDUCTOR BRAIDED NYLON CORD; HEADSET ADJUSTABLE FROM 4.125 IN. TO 6.250 IN. IN
earphone_quantity2
fsc_application_dataHEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
earphone_element_typeDYNAMIC
microphone_element_typeDYNAMIC
earphone_impedance_rating8.0 OHMS NOMINAL
connector_controlling_agencyROANWELL CORP
connector_identifying_numberU-173/U PART NO.
microphone_mounting_facilityADAPTER FASTENED TO RIGHT SIDE OF HEADBAND
NSN5965-01-039-2794
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 1273321-1 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
EARPHONE QUANTITY: 2
IMPEDANCE RATING: 150.0 OHMS NOMINAL
EARPHONE ELEMENT TYPE: DYNAMIC
MOUNTING METHOD: SUSPENDED ON HEADBAND EARPHONE
CONNECTOR TO JUNCTION CORD LENGTH: 23.000 INCHES IN
CONNECTOR CONTROLLING AGENCY: ROANWELL CORP
CONNECTOR NAME: PLUG
MICROPHONE ELEMENT TYPE: DYNAMIC
TECHNICAL CHARACTERISTICS (FLIS)
EARPHONE QUANTITY2
IMPEDANCE RATING150.0 OHMS NOMINAL
EARPHONE ELEMENT TYPEDYNAMIC
MOUNTING METHODSUSPENDED ON HEADBAND EARPHONE
CONNECTOR TO JUNCTION CORD LENGTH23.000 INCHES IN
CONNECTOR CONTROLLING AGENCYROANWELL CORP
CONNECTOR NAMEPLUG
MICROPHONE ELEMENT TYPEDYNAMIC
MICROPHONE MOUNTING FACILITYADAPTER FASTENED TO RIGHT SIDE OF HEADBAND
FSC APPLICATION DATAHEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
104A90Interchangeable
interchangeable cross-reference
interchangeable
104-84Interchangeable
interchangeable cross-reference
interchangeable
12043Interchangeable
interchangeable cross-reference
interchangeable
602Interchangeable
interchangeable cross-reference
interchangeable
302-10Interchangeable
interchangeable cross-reference
interchangeable
10490Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1273321-1?
1273321-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 1273321-1?
There are 18 known substitutes for 1273321-1: 104A90, 104-84, 12043 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1273321-1 still available?
1273321-1 is currently cancelled.
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