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Technical Data Sheet
PartsTable / COMPONENT / 178AINDUCT0R
178AINDUCT0R ✓ 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 COIL,TELEPHONE is a the manufacturer industrial component. Key specifications include body_width: 1.188 INCHES NOMINAL IN, body_height: 3.750 INCHES NOMINAL IN, body_length: 1.688 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, winding_quantity: 3 SINGLE COMPONENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-646-4326, 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
178AINDUCT0R
NSN: 5950-00-646-4326
FSC: 5950
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
body_width1.188 INCHES NOMINAL IN
body_height3.750 INCHES NOMINAL IN
body_length1.688 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
winding_quantity3 SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity8 TAB, SOLDER LUG
dc_resistance_rating_in_ohms15.800 SINGLE COMPONENT SECOND WINDING
NSN5950-00-646-4326
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,TELEPHONE TITLE COMPONENT PN 178AINDUCT0R MFR COIL,TELEPHONE
KEY FEATURES
•
BODY HEIGHT: 3.750 INCHES NOMINAL IN
•
BODY WIDTH: 1.188 INCHES NOMINAL IN
•
DC RESISTANCE RATING IN OHMS: 2.100 SINGLE COMPONENT THIRD WINDING
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
WINDING QUANTITY: 3 SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT3.750 INCHES NOMINAL IN
BODY WIDTH1.188 INCHES NOMINAL IN
DC RESISTANCE RATING IN OHMS2.100 SINGLE COMPONENT THIRD WINDING
DC RESISTANCE RATING IN OHMS562.300 SINGLE COMPONENT FIRST WINDING
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
THREAD QUANTITY PER INCH32 SINGLE GROUP
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
WINDING QUANTITY3 SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
TERMINAL TYPE AND QUANTITY8 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
178AInterchangeable
interchangeable cross-reference
interchangeable
FFP101Interchangeable
interchangeable cross-reference
interchangeable
50664Interchangeable
interchangeable cross-reference
interchangeable
187682PC429Interchangeable
interchangeable cross-reference
interchangeable
186329PC374Interchangeable
interchangeable cross-reference
interchangeable
I-78AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178AINDUCT0R?
178AINDUCT0R is a COIL,TELEPHONE.
What parts can replace 178AINDUCT0R?
There are 6 known substitutes for 178AINDUCT0R: 178A, FFP101, 50664 and 3 more. Substitute compatibility should be verified for your specific system.
Is 178AINDUCT0R still available?
178AINDUCT0R 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