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Technical Data Sheet
PartsTable / COMPONENT / 438491-01
438491-01 ✓ 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: 0.800 INCHES NOMINAL IN, body_height: 0.532 INCHES MAXIMUM IN, body_length: 0.800 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: PLUG-IN SINGLE GROUP, frequency_rating: 1.0 KILOHERTZ NOMINAL 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 5950-01-237-3981, 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
438491-01
NSN: 5950-01-237-3981
FSC: 5950
CAGE: 07690 — BAE SYSTEMS CONTROLS INC (USA)
SPECIFICATIONS
body_width0.800 INCHES NOMINAL IN
body_height0.532 INCHES MAXIMUM IN
body_length0.800 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodPLUG-IN SINGLE GROUP
frequency_rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity4 PIN
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
center_to_center_distance_between_mounting_facilities_parallel_to_width0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
center_to_center_distance_between_mounting_facilities_parallel_to_length0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5950-01-237-3981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 438491-01 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY WIDTH: 0.800 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
FREQUENCY RATING: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
TERMINAL TYPE AND QUANTITY: 4 PIN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH0.800 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
FREQUENCY RATING1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY4 PIN
MOUNTING METHODPLUG-IN SINGLE GROUP
BODY HEIGHT0.532 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
13122Interchangeable
interchangeable cross-reference
interchangeable
F52NE-202Interchangeable
interchangeable cross-reference
interchangeable
47331Interchangeable
interchangeable cross-reference
interchangeable
150 9MMInterchangeable
interchangeable cross-reference
interchangeable
01257Interchangeable
interchangeable cross-reference
interchangeable
3QSA 15-625Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 438491-01?
438491-01 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 438491-01?
There are 7 known substitutes for 438491-01: 13122, F52NE-202, 47331 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 438491-01?
438491-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-237-3981. 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