PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 55-266498-1
55-266498-1 ✓ 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

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 3.938 INCHES NOMINAL IN, body_height: 4.531 INCHES NOMINAL IN, body_length: 4.781 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 378.0 HERTZ MINIMUM AND 462.0 HERTZ 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 5950-00-930-0379, 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
55-266498-1
NSN: 5950-00-930-0379
FSC: 5950
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
body_width3.938 INCHES NOMINAL IN
body_height4.531 INCHES NOMINAL IN
body_length4.781 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating378.0 HERTZ MINIMUM AND 462.0 HERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.250 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch20 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
winding_operating_current20.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-930-0379
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 55-266498-1 MFR TRANSFORMER,POWER
KEY FEATURES
•
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO THREE PHASE SINGLE COMPONENT
•
NOMINAL THREAD SIZE: 0.250 INCHES SINGLE GROUP IN
•
WINDING OPERATING VOLTAGE: 208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
BODY HEIGHT: 4.531 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO THREE PHASE SINGLE COMPONENT
NOMINAL THREAD SIZE0.250 INCHES SINGLE GROUP IN
WINDING OPERATING VOLTAGE208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY HEIGHT4.531 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
THREAD QUANTITY PER INCH20 SINGLE GROUP
BODY WIDTH3.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
7407Interchangeable
interchangeable cross-reference
interchangeable
535ACInterchangeable
interchangeable cross-reference
interchangeable
SL6204P9Interchangeable
interchangeable cross-reference
interchangeable
30600Interchangeable
interchangeable cross-reference
interchangeable
B8Interchangeable
interchangeable cross-reference
interchangeable
PP-4606C/GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-266498-1?
55-266498-1 is a TRANSFORMER,POWER.
What parts can replace 55-266498-1?
There are 12 known substitutes for 55-266498-1: 7407, 535AC, SL6204P9 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-266498-1?
55-266498-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-930-0379. 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