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Technical Data Sheet
PartsTable / COMPONENT / 670443
670443 ✓ 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_width: 0.875 INCHES NOMINAL IN, body_height: 1.562 INCHES NOMINAL IN, body_length: 1.375 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 250.0 HERTZ MINIMUM AND 2.5 KILOHERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-239-9523, 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
670443
NSN: 5950-00-239-9523
FSC: 5950
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
body_width0.875 INCHES NOMINAL IN
body_height1.562 INCHES NOMINAL IN
body_length1.375 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating250.0 HERTZ MINIMUM AND 2.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
transformer_functionINPUT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.128 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms19000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity7 SOLDER STUD
NSN5950-00-239-9523
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 670443 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
BODY WIDTH: 0.875 INCHES NOMINAL IN
•
BODY HEIGHT: 1.562 INCHES NOMINAL IN
•
TRANSFORMER FUNCTION: INPUT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
IMPEDANCE RATING IN OHMS: 30.0 NOMINAL SINGLE COMPONENT FIRST PRIMARY
•
PRIMARY TO SECONDARY TURN RATIO: 1 TO 10 TO 22-8/10 SINGLE COMPONENT
•
MOUNTING HOLE DIAMETER: 0.128 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY WIDTH0.875 INCHES NOMINAL IN
BODY HEIGHT1.562 INCHES NOMINAL IN
TRANSFORMER FUNCTIONINPUT
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
IMPEDANCE RATING IN OHMS30.0 NOMINAL SINGLE COMPONENT FIRST PRIMARY
PRIMARY TO SECONDARY TURN RATIO1 TO 10 TO 22-8/10 SINGLE COMPONENT
MOUNTING HOLE DIAMETER0.128 INCHES NOMINAL SINGLE GROUP IN
IMPEDANCE RATING IN OHMS19000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
FREQUENCY RATING250.0 HERTZ MINIMUM AND 2.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
22291-2Interchangeable
interchangeable cross-reference
interchangeable
410009Interchangeable
interchangeable cross-reference
interchangeable
222981-2Interchangeable
interchangeable cross-reference
interchangeable
39006Interchangeable
interchangeable cross-reference
interchangeable
FG9150Interchangeable
interchangeable cross-reference
interchangeable
3305128-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 670443?
670443 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 670443?
There are 11 known substitutes for 670443: 22291-2, 410009, 222981-2 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 670443?
670443 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-239-9523. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026