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K5371 ✓ 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: 1.630 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 10.0 KILOHERTZ NOMINAL SINGLE COMPONENT, overall_diameter: 2.630 INCHES MAXIMUM IN, nominal_thread_size: 0.112 INCHES SINGLE GROUP IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-493-4375, 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
K5371
NSN: 5950-00-493-4375
FSC: 5950
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)
SPECIFICATIONS
body_length1.630 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
overall_diameter2.630 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES SINGLE GROUP IN
body_outside_diameter2.380 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
winding_operating_current3.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-493-4375
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN K5371 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
WINDING OPERATING CURRENT: 3.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
BODY LENGTH: 1.630 INCHES MAXIMUM IN
•
WINDING SHIELDING METHOD: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
•
WINDING OPERATING VOLTAGE: 57.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING CURRENT3.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY LENGTH1.630 INCHES MAXIMUM IN
WINDING SHIELDING METHODINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
WINDING OPERATING VOLTAGE57.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
DISTANCE BETWEEN MOUNTING FACILITY CENTERS2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1529-4Interchangeable
interchangeable cross-reference
interchangeable
2771Interchangeable
IBM 2-line PCI WAN Modem
interchangeable
AE371-4Interchangeable
interchangeable cross-reference
interchangeable
040225-0001Interchangeable
interchangeable cross-reference
interchangeable
40225-1Interchangeable
interchangeable cross-reference
interchangeable
15-0294-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K5371?
K5371 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace K5371?
There are 8 known substitutes for K5371: 1529-4, 2771, AE371-4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K5371?
K5371 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-493-4375. 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