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Technical Data Sheet
PartsTable / COMPONENT / 666163-056
666163-056 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.279 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 18.0 KILOHERTZ NOMINAL SINGLE COMPONENT, body_outside_diameter: 0.500 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-203-1239, 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
666163-056
NSN: 5950-00-203-1239
FSC: 5950
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
body_length0.279 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
frequency_rating18.0 KILOHERTZ NOMINAL SINGLE COMPONENT
body_outside_diameter0.500 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity6 WIRE LEAD
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-203-1239
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 666163-056 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
TERMINAL TYPE AND QUANTITY: 6 WIRE LEAD
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
BODY LENGTH: 0.279 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INCLOSURE TYPE: FULLY INCLOSED
•
FREQUENCY RATING: 18.0 KILOHERTZ NOMINAL SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY6 WIRE LEAD
MOUNTING METHODTERMINAL SINGLE GROUP
BODY LENGTH0.279 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
INCLOSURE TYPEFULLY INCLOSED
FREQUENCY RATING18.0 KILOHERTZ NOMINAL SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
AA-2381Interchangeable
interchangeable cross-reference
interchangeable
37-1122-1Interchangeable
interchangeable cross-reference
interchangeable
14397Interchangeable
interchangeable cross-reference
interchangeable
51R16Interchangeable
interchangeable cross-reference
interchangeable
11377Interchangeable
interchangeable cross-reference
interchangeable
FFS86TYPE4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666163-056?
666163-056 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 666163-056?
There are 18 known substitutes for 666163-056: AA-2381, 37-1122-1, 14397 and 15 more. Substitute compatibility should be verified for your specific system.
Is 666163-056 still available?
666163-056 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026