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Technical Data Sheet
PartsTable / COMPONENT / C4977
C4977 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include body_width: 9.625 INCHES NOMINAL IN, body_height: 6.750 INCHES NOMINAL IN, body_length: 11.062 INCHES NOMINAL IN, inclosure_type: OPEN, inductance_type: FIXED, mounting_method: FLANGE AND UNTHREADED HOLE(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 5950-00-159-9745, 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
C4977
NSN: 5950-00-159-9745
FSC: 5950
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
body_width9.625 INCHES NOMINAL IN
body_height6.750 INCHES NOMINAL IN
body_length11.062 INCHES NOMINAL IN
inclosure_typeOPEN
inductance_typeFIXED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
winding_quantity1 SINGLE COMPONENT
inductance_rating195.00 MILLIHENRIES NOMINAL AND 240.00 MILLIHENRIES NOMINAL AND 280.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicatorNOT ESTABLISHED
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity4 STANDOFF, SOLDER LUG
center_to_center_distance_between_mounting_facilities_parallel_to_width7.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5950-00-159-9745
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN C4977 MFR REACTOR
KEY FEATURES
•
WINDING QUANTITY: 1 SINGLE COMPONENT
•
INDUCTANCE RATING: 195.00 MILLIHENRIES NOMINAL AND 240.00 MILLIHENRIES NOMINAL AND 280.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
•
BODY LENGTH: 11.062 INCHES NOMINAL IN
•
BODY WIDTH: 9.625 INCHES NOMINAL IN
•
INCLOSURE TYPE: OPEN
•
BODY HEIGHT: 6.750 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 7.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
WINDING QUANTITY1 SINGLE COMPONENT
INDUCTANCE RATING195.00 MILLIHENRIES NOMINAL AND 240.00 MILLIHENRIES NOMINAL AND 280.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
BODY LENGTH11.062 INCHES NOMINAL IN
BODY WIDTH9.625 INCHES NOMINAL IN
INCLOSURE TYPEOPEN
BODY HEIGHT6.750 INCHES NOMINAL IN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH7.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH7.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
60137Interchangeable
interchangeable cross-reference
interchangeable
63X144Interchangeable
interchangeable cross-reference
interchangeable
216185PC5Interchangeable
interchangeable cross-reference
interchangeable
3-14840Interchangeable
interchangeable cross-reference
interchangeable
677-0134-00REVBInterchangeable
interchangeable cross-reference
interchangeable
677-0134-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C4977?
C4977 is a REACTOR.
What parts can replace C4977?
There are 13 known substitutes for C4977: 60137, 63X144, 216185PC5 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C4977?
C4977 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-159-9745. 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