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Technical Data Sheet
PartsTable / COMPONENT / T51645-4
T51645-4 ✓ 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_length: 2.500 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, nominal_thread_size: 0.112 INCHES SINGLE GROUP IN, body_outside_diameter: 1.922 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-7669, 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
T51645-4
NSN: 5950-00-645-7669
FSC: 5950
CAGE: 96256 — THORDARSON INC (USA)
SPECIFICATIONS
body_length2.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
body_outside_diameter1.922 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms150.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
mounting_facility_quantity2 SINGLE GROUP
NSN5950-00-645-7669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN T51645-4 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
MAXIMUM TRANSFORMER POWER RATING: 1.6 MILLIWATTS SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
FREQUENCY RATING: 100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
BODY OUTSIDE DIAMETER: 1.922 INCHES NOMINAL IN
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM TRANSFORMER POWER RATING1.6 MILLIWATTS SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
FREQUENCY RATING100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
BODY OUTSIDE DIAMETER1.922 INCHES NOMINAL IN
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
IMPEDANCE RATING IN OHMS150.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4063-1Interchangeable
interchangeable cross-reference
interchangeable
2115955Interchangeable
interchangeable cross-reference
interchangeable
1024429Interchangeable
interchangeable cross-reference
interchangeable
SCHS15000Interchangeable
interchangeable cross-reference
interchangeable
SA7425Interchangeable
interchangeable cross-reference
interchangeable
339D827H17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T51645-4?
T51645-4 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace T51645-4?
There are 18 known substitutes for T51645-4: 4063-1, 2115955, 1024429 and 15 more. Substitute compatibility should be verified for your specific system.
Is T51645-4 still available?
T51645-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026