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PartsTable / COMPONENT / AT4003
AT4003 ✓ 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 TOOL KIT,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include usage_design: FOR GENERAL PURPOSE USE, document_type: MILITARY SPECIFICATION, overall_width: 46.3 MILLIMETERS NOMINAL MM, overall_height: 46.3 MILLIMETERS NOMINAL MM, overall_length: 30.5 MILLIMETERS NOMINAL MM, document_source: 81349. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5180-00-079-3400, 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
AT4003
NSN: 5180-00-079-3400
FSC: 5180
CAGE: 58164 — ASTRO TOOL CORP. (USA)
SPECIFICATIONS
usage_designFOR GENERAL PURPOSE USE
document_typeMILITARY SPECIFICATION
overall_width46.3 MILLIMETERS NOMINAL MM
overall_height46.3 MILLIMETERS NOMINAL MM
overall_length30.5 MILLIMETERS NOMINAL MM
document_source81349
component_quantity16
frequency_range_rating+4.0 TO 8.0 GIGAHERTZ
document_identificationMIL-M-83521/6
end_item_identificationAMPLIFIER, RADIO FREQUENCY
component_document_originGOVERNMENT
NSN5180-00-079-3400
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TOOL KIT,ELECTRICAL CONTACT TITLE COMPONENT PN AT4003 MFR TOOL KIT,ELECTRICAL CO
KEY FEATURES
•
COMPONENT QUANTITY: 16
•
COMPONENT DOCUMENT ORIGIN: GOVERNMENT
•
DOCUMENT IDENTIFICATION: MIL-M-83521/6
•
DOCUMENT TYPE: MILITARY SPECIFICATION
•
DOCUMENT SOURCE: 81349
•
USAGE DESIGN: FOR GENERAL PURPOSE USE
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT QUANTITY16
COMPONENT DOCUMENT ORIGINGOVERNMENT
DOCUMENT IDENTIFICATIONMIL-M-83521/6
DOCUMENT TYPEMILITARY SPECIFICATION
DOCUMENT SOURCE81349
USAGE DESIGNFOR GENERAL PURPOSE USE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MIL-T-83507-11Interchangeable
interchangeable cross-reference
interchangeable
DMC178Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-83507Interchangeable
interchangeable cross-reference
interchangeable
613437Interchangeable
interchangeable cross-reference
interchangeable
M83521/7-01Interchangeable
interchangeable cross-reference
interchangeable
DMC7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT4003?
AT4003 is a TOOL KIT,ELECTRICAL CONTACT.
What parts can replace AT4003?
There are 20 known substitutes for AT4003: MIL-T-83507-11, DMC178, MIL-T-83507 and 17 more. Substitute compatibility should be verified for your specific system.
Is AT4003 still available?
AT4003 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026