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PartsTable / COMPONENT / 820974
820974 ✓ 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: 1.625 INCHES NOMINAL IN, body_height: 2.375 INCHES NOMINAL IN, body_length: 1.625 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 2.750 INCHES NOMINAL IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-710-4528, 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
820974
NSN: 5950-00-710-4528
FSC: 5950
CAGE: 06141 — L3 AVIATION PRODUCTS, INC. DBA L3 TECHNOLOGIES (USA)
SPECIFICATIONS
body_width1.625 INCHES NOMINAL IN
body_height2.375 INCHES NOMINAL IN
body_length1.625 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height2.750 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating5.0 KILOHERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms330000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN5950-00-710-4528
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 820974 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
•
PRIMARY TO SECONDARY TURN RATIO: 1 TO 4-1/4 SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY WIDTH: 1.625 INCHES NOMINAL IN
•
MAXIMUM TRANSFORMER POWER RATING: 3.0 WATTS SINGLE COMPONENT
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
PRIMARY TO SECONDARY TURN RATIO1 TO 4-1/4 SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
OVERALL HEIGHT2.750 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH1.625 INCHES NOMINAL IN
MAXIMUM TRANSFORMER POWER RATING3.0 WATTS SINGLE COMPONENT
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
09196Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187/01Interchangeable
interchangeable cross-reference
interchangeable
63382Interchangeable
interchangeable cross-reference
interchangeable
292-4325G2Interchangeable
interchangeable cross-reference
interchangeable
43713Interchangeable
interchangeable cross-reference
interchangeable
42072Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820974?
820974 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 820974?
There are 11 known substitutes for 820974: 09196, FF-B-187/01, 63382 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820974?
820974 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-710-4528. 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