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PartsTable / COMPONENT / T51J166PC3
T51J166PC3 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_width: 1.875 INCHES NOMINAL IN, body_height: 2.875 INCHES NOMINAL IN, body_length: 2.250 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 60.0 HERTZ NOMINAL 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 5950-00-646-5258, 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
T51J166PC3
NSN: 5950-00-646-5258
FSC: 5950
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
body_width1.875 INCHES NOMINAL IN
body_height2.875 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current1.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
winding_operating_voltage60.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
NSN5950-00-646-5258
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN T51J166PC3 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
BODY LENGTH: 2.250 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING VOLTAGE: 60.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
•
BODY WIDTH: 1.875 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.531 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEHERMETICALLY SEALED
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY LENGTH2.250 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING VOLTAGE60.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
BODY WIDTH1.875 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE30.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.531 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
NECO-1829Interchangeable
interchangeable cross-reference
interchangeable
PA9303AND9303Interchangeable
interchangeable cross-reference
interchangeable
PL418-5Interchangeable
interchangeable cross-reference
interchangeable
P7936Interchangeable
interchangeable cross-reference
interchangeable
972XInterchangeable
interchangeable cross-reference
interchangeable
18302AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T51J166PC3?
T51J166PC3 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace T51J166PC3?
There are 22 known substitutes for T51J166PC3: NECO-1829, PA9303AND9303, PL418-5 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T51J166PC3?
T51J166PC3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-646-5258. 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