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PartsTable / COMPONENT / SMC422657
SMC422657 ✓ 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: 1.310 INCHES MAXIMUM IN, body_height: 1.750 INCHES MAXIMUM IN, body_length: 1.310 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 250.0 HERTZ MINIMUM AND 20.0 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 5950-00-034-0947, 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
SMC422657
NSN: 5950-00-034-0947
FSC: 5950
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_width1.310 INCHES MAXIMUM IN
body_height1.750 INCHES MAXIMUM IN
body_length1.310 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating250.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms16000.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
NSN5950-00-034-0947
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN SMC422657 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
TERMINAL TYPE AND QUANTITY: 9 PIN
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
IMPEDANCE RATING IN OHMS: 233.0 NOMINAL AND 367.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
•
MAXIMUM TRANSFORMER POWER RATING: 250.0 MILLIWATTS SINGLE COMPONENT
•
FREQUENCY RATING: 250.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
THREAD QUANTITY PER INCH32 SINGLE GROUP
TERMINAL TYPE AND QUANTITY9 PIN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
RELIABILITY INDICATORNOT ESTABLISHED
IMPEDANCE RATING IN OHMS233.0 NOMINAL AND 367.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
MAXIMUM TRANSFORMER POWER RATING250.0 MILLIWATTS SINGLE COMPONENT
FREQUENCY RATING250.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
IMPEDANCE RATING IN OHMS3800.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
BODY LENGTH1.310 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
854576Interchangeable
interchangeable cross-reference
interchangeable
91A2027Interchangeable
interchangeable cross-reference
interchangeable
637899Interchangeable
interchangeable cross-reference
interchangeable
39953FInterchangeable
interchangeable cross-reference
interchangeable
39953Interchangeable
interchangeable cross-reference
interchangeable
XT11482Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMC422657?
SMC422657 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace SMC422657?
There are 6 known substitutes for SMC422657: 854576, 91A2027, 637899 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMC422657?
SMC422657 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-034-0947. 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