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T4640 ✓ 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: 1.719 INCHES NOMINAL IN, body_length: 2.375 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 1.0 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 5950-00-648-0924, 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
T4640
NSN: 5950-00-648-0924
FSC: 5950
CAGE: 94970 — DUKANE SEACOM, INC. DBA DUKANE SEACOM INC (USA)
SPECIFICATIONS
body_width1.406 INCHES NOMINAL IN
body_height1.719 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.125 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms680.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity4 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-648-0924
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN T4640 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY WIDTH: 1.406 INCHES NOMINAL IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
BODY HEIGHT: 1.719 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL SINGLE GROUP IN
•
IMPEDANCE RATING IN OHMS: 303.3 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
TERMINAL TYPE AND QUANTITY: 4 TAB, SOLDER LUG
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
BODY WIDTH1.406 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY HEIGHT1.719 INCHES NOMINAL IN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL SINGLE GROUP IN
IMPEDANCE RATING IN OHMS303.3 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY4 TAB, SOLDER LUG
INCLOSURE TYPEHERMETICALLY SEALED
IMPEDANCE RATING IN OHMS680.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
J2048Interchangeable
interchangeable cross-reference
interchangeable
4375-E ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
57AInterchangeable
interchangeable cross-reference
interchangeable
8707Interchangeable
interchangeable cross-reference
interchangeable
CD5327Interchangeable
interchangeable cross-reference
interchangeable
13727Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T4640?
T4640 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace T4640?
There are 15 known substitutes for T4640: J2048, 4375-E ITEM 12, 57A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T4640?
T4640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-648-0924. 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