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PartsTable / COMPONENT / 2666731-1
2666731-1 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include body_length: 2.313 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED BUSHING SINGLE GROUP, frequency_rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT, nominal_thread_size: 0.375 INCHES SINGLE GROUP IN, body_outside_diameter: 2.813 INCHES NOMINAL 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 5950-00-426-3647, 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
2666731-1
NSN: 5950-00-426-3647
FSC: 5950
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_length2.313 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.375 INCHES SINGLE GROUP IN
body_outside_diameter2.813 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNEF SINGLE GROUP
winding_operating_voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
terminal_type_and_quantity3 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
NSN5950-00-426-3647
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 2666731-1 MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNEF SINGLE GROUP
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE GROUP IN
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
TERMINAL TYPE AND QUANTITY: 3 TAB, SOLDER LUG
•
MOUNTING METHOD: THREADED BUSHING SINGLE GROUP
•
WINDING OPERATING VOLTAGE: 0.00 AC VOLTS MINIMUM AND 132.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
•
BODY LENGTH: 2.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNEF SINGLE GROUP
NOMINAL THREAD SIZE0.375 INCHES SINGLE GROUP IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
MOUNTING METHODTHREADED BUSHING SINGLE GROUP
WINDING OPERATING VOLTAGE0.00 AC VOLTS MINIMUM AND 132.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
BODY LENGTH2.313 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
M2104Interchangeable
interchangeable cross-reference
interchangeable
900228Interchangeable
interchangeable cross-reference
interchangeable
894A605-008Interchangeable
interchangeable cross-reference
interchangeable
144399Interchangeable
Same NIIN cross-reference
interchangeable
10B1214Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2666731-1?
2666731-1 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 2666731-1?
There are 5 known substitutes for 2666731-1: M2104, 900228, 894A605-008 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2666731-1?
2666731-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-426-3647. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026