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21F142 ✓ 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: 2.120 INCHES MAXIMUM IN, body_height: 2.000 INCHES NOMINAL IN, inclosure_type: OPEN, overall_length: 3.190 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 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 5950-00-400-4570, 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
21F142
NSN: 5950-00-400-4570
FSC: 5950
CAGE: 80220 — COMPONENTS CORP OF AMERICA (USA)
SPECIFICATIONS
body_width2.120 INCHES MAXIMUM IN
body_height2.000 INCHES NOMINAL IN
inclosure_typeOPEN
overall_length3.190 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
features_providedCOLOR CODED LEAD
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.188 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current1.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE WINDING
winding_operating_voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity2 SINGLE GROUP
NSN5950-00-400-4570
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 21F142 MFR TRANSFORMER,POWER
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 5 WIRE LEAD
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
BODY WIDTH: 2.120 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING OPERATING CURRENT: 1.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.190 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY5 WIRE LEAD
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
BODY WIDTH2.120 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING CURRENT1.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE WINDING
WINDING OPERATING VOLTAGE25.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
T9160475PC189Interchangeable
interchangeable cross-reference
interchangeable
P309Interchangeable
interchangeable cross-reference
interchangeable
MS16624-3137Interchangeable
interchangeable cross-reference
interchangeable
20C30Interchangeable
interchangeable cross-reference
interchangeable
P309-12Interchangeable
interchangeable cross-reference
interchangeable
P309XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21F142?
21F142 is a TRANSFORMER,POWER.
What parts can replace 21F142?
There are 15 known substitutes for 21F142: T9160475PC189, P309, MS16624-3137 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21F142?
21F142 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-400-4570. 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