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Technical Data Sheet
PartsTable / COMPONENT / 742891-01
742891-01 ✓ 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: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, body_height: 2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN, body_length: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 2.815 INCHES MAXIMUM IN, mounting_method: THREADED STUD(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 5950-01-023-5971, 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
742891-01
NSN: 5950-01-023-5971
FSC: 5950
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
body_width1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
body_height2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
body_length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height2.815 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM 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_shielding_methodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
NSN5950-01-023-5971
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 742891-01 MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
BODY LENGTH: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
WINDING OPERATING CURRENT: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
BODY LENGTH1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
OVERALL HEIGHT2.815 INCHES MAXIMUM IN
WINDING OPERATING CURRENT300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
WINDING OPERATING VOLTAGE26.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1581000061Interchangeable
interchangeable cross-reference
interchangeable
A500734-14Interchangeable
interchangeable cross-reference
interchangeable
118553Interchangeable
interchangeable cross-reference
interchangeable
42212Interchangeable
interchangeable cross-reference
interchangeable
D42212Interchangeable
interchangeable cross-reference
interchangeable
675256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 742891-01?
742891-01 is a TRANSFORMER,POWER.
What parts can replace 742891-01?
There are 13 known substitutes for 742891-01: 1581000061, A500734-14, 118553 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 742891-01?
742891-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-023-5971. 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