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Technical Data Sheet
PartsTable / COMPONENT / AU4258REV1
AU4258REV1 ✓ 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: 1.406 INCHES NOMINAL IN, body_height: 2.938 INCHES NOMINAL IN, body_length: 1.781 INCHES NOMINAL IN, inclosure_type: PARTIALLY INCLOSED, HALF SHELL, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 250.0 HERTZ MINIMUM AND 68.0 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 5950-00-646-3127, 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
AU4258REV1
NSN: 5950-00-646-3127
FSC: 5950
CAGE: 95970 — MTE CORP MILWAUKEE TRANSFORMER CO (USA)
SPECIFICATIONS
body_width1.406 INCHES NOMINAL IN
body_height2.938 INCHES NOMINAL IN
body_length1.781 INCHES NOMINAL IN
inclosure_typePARTIALLY INCLOSED, HALF SHELL
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating250.0 HERTZ MINIMUM AND 68.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms135.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
NSN5950-00-646-3127
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN AU4258REV1 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
IMPEDANCE RATING IN OHMS: 135.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
BODY HEIGHT: 2.938 INCHES NOMINAL IN
•
INCLOSURE TYPE: PARTIALLY INCLOSED, HALF SHELL
•
BODY WIDTH: 1.406 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS135.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
BODY HEIGHT2.938 INCHES NOMINAL IN
INCLOSURE TYPEPARTIALLY INCLOSED, HALF SHELL
BODY WIDTH1.406 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
IMPEDANCE RATING IN OHMS600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
416A1Interchangeable
interchangeable cross-reference
interchangeable
SA1426BInterchangeable
interchangeable cross-reference
interchangeable
17800-3 PC. 3Interchangeable
interchangeable cross-reference
interchangeable
17730-3PCCInterchangeable
interchangeable cross-reference
interchangeable
18858Interchangeable
interchangeable cross-reference
interchangeable
S1504HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AU4258REV1?
AU4258REV1 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace AU4258REV1?
There are 16 known substitutes for AU4258REV1: 416A1, SA1426B, 17800-3 PC. 3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AU4258REV1?
AU4258REV1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-646-3127. 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