PartsTable
Technical Data Sheet
AT105-4 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 LOCKNUT,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include power_rating: 4.0 WATTS AVERAGE, bushing_length: 0.375 INCHES NOMINAL IN, overall_diameter: 1.594 INCHES NOMINAL IN, application_design: AUDIO, impedance_rating_in_ohms: 600.0 INPUT, mounting_thread_quantity: 32 PER INCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-256-6395, 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
MRO MRO_GENERAL AT105-4
NSN: 5985-00-256-6395
FSC: 5985
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
power_rating4.0 WATTS AVERAGE
bushing_length0.375 INCHES NOMINAL IN
overall_diameter1.594 INCHES NOMINAL IN
application_designAUDIO
impedance_rating_in_ohms600.0 INPUT
mounting_thread_quantity32 PER INCH
terminal_type_and_quantity4 TAB, SOLDER LUG
schematic_diagram_designatorUNBALANCED "LL"
mounting_facility_type_and_quantity1 THREADED BUSHING
overall_attenuation_range_in_decibels+0.0 TO 38.0
overall_attenuation_accuracy_in_decibels-1.90 TO 1.90
mounting_facility_nominal_screw_thread_diameter0.375 INCHES IN
NSN5985-00-256-6395
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCKNUT,ELECTRICAL CONDUIT TITLE COMPONENT PN AT105-4 MFR LOCKNUT,ELECTRICAL CON
KEY FEATURES
SCHEMATIC DIAGRAM DESIGNATOR: UNBALANCED "LL"
APPLICATION DESIGN: AUDIO
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING
IMPEDANCE RATING IN OHMS: 600.0 INPUT
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER: 0.375 INCHES IN
OVERALL DIAMETER: 1.594 INCHES NOMINAL IN
MOUNTING THREAD QUANTITY: 32 PER INCH
OVERALL ATTENUATION ACCURACY IN DECIBELS: -1.90 TO 1.90
TECHNICAL CHARACTERISTICS (FLIS)
SCHEMATIC DIAGRAM DESIGNATORUNBALANCED "LL"
APPLICATION DESIGNAUDIO
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
IMPEDANCE RATING IN OHMS600.0 INPUT
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.375 INCHES IN
OVERALL DIAMETER1.594 INCHES NOMINAL IN
MOUNTING THREAD QUANTITY32 PER INCH
OVERALL ATTENUATION ACCURACY IN DECIBELS-1.90 TO 1.90
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNEF
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 38.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2498-8-2Interchangeable
interchangeable cross-reference
interchangeable
AT1054Interchangeable
interchangeable cross-reference
interchangeable
L600Interchangeable
interchangeable cross-reference
interchangeable
318-110-026Interchangeable
interchangeable cross-reference
interchangeable
1-200Interchangeable
interchangeable cross-reference
interchangeable
156Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT105-4?
AT105-4 is a LOCKNUT,ELECTRICAL CONDUIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace AT105-4?
There are 8 known substitutes for AT105-4: 2498-8-2, AT1054, L600 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AT105-4?
AT105-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-256-6395. This indicates validated use in U.S. government and defense supply chains.
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