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PartsTable / COMPONENT / 55C202
55C202 ✓ 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: 3.875 INCHES NOMINAL IN, body_height: 6.000 INCHES NOMINAL IN, body_length: 4.625 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 150.0 HERTZ MINIMUM AND 3.0 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 5950-00-645-5465, 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
55C202
NSN: 5950-00-645-5465
FSC: 5950
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
body_width3.875 INCHES NOMINAL IN
body_height6.000 INCHES NOMINAL IN
body_length4.625 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating150.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.250 INCHES SINGLE GROUP IN
transformer_functionMODULATION
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms8000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current225.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-645-5465
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 55C202 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
TRANSFORMER FUNCTION: MODULATION
•
BODY WIDTH: 3.875 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY HEIGHT: 6.000 INCHES NOMINAL IN
•
BODY LENGTH: 4.625 INCHES NOMINAL IN
•
IMPEDANCE RATING IN OHMS: 21000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
TRANSFORMER FUNCTIONMODULATION
BODY WIDTH3.875 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY HEIGHT6.000 INCHES NOMINAL IN
BODY LENGTH4.625 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS21000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NOMINAL THREAD SIZE0.250 INCHES SINGLE GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3823Interchangeable
interchangeable cross-reference
interchangeable
A-554-445Interchangeable
interchangeable cross-reference
interchangeable
554A003823Interchangeable
interchangeable cross-reference
interchangeable
945656Interchangeable
interchangeable cross-reference
interchangeable
292C138RHInterchangeable
interchangeable cross-reference
interchangeable
933097Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55C202?
55C202 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 55C202?
There are 15 known substitutes for 55C202: 3823, A-554-445, 554A003823 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55C202?
55C202 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-5465. 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