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K5457 ✓ 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: 0.740 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN, body_height: 0.900 INCHES NOMINAL IN, body_length: 0.990 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN, dial_diameter: 2.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 1.180 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 5950-00-901-8827, 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
K5457
NSN: 5950-00-901-8827
FSC: 5950
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)
SPECIFICATIONS
body_width0.740 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
body_height0.900 INCHES NOMINAL IN
body_length0.990 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
dial_diameter2.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height1.180 INCHES NOMINAL IN
overall_length3.333 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp85.0 CELSIUS DEGC
winding_operating_current15.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-901-8827
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN K5457 MFR TRANSFORMER,POWER
KEY FEATURES
•
MAXIMUM OPERATING TEMP: 85.0 CELSIUS DEGC
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
BODY WIDTH: 0.740 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
•
WINDING OPERATING CURRENT: 15.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP85.0 CELSIUS DEGC
RELIABILITY INDICATORNOT ESTABLISHED
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
INCLOSURE TYPEHERMETICALLY SEALED
MOUNTING METHODTERMINAL SINGLE GROUP
BODY WIDTH0.740 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
WINDING OPERATING CURRENT15.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TERMINAL TYPE AND QUANTITY4 WIRE LEAD
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
42650Interchangeable
interchangeable cross-reference
interchangeable
K5457Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 013Interchangeable
interchangeable cross-reference
interchangeable
722913-51Interchangeable
interchangeable cross-reference
interchangeable
141278-01Interchangeable
Same NIIN cross-reference
interchangeable
WE-3599Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K5457?
K5457 is a TRANSFORMER,POWER.
What parts can replace K5457?
There are 6 known substitutes for K5457: 42650, K5457, ROM/PROM FAMILY 013 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K5457?
K5457 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-901-8827. 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