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890143B — TRANSFORMER,POWER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

890143B: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.620 INCHES NOMINAL IN, body_height: 2.125 INCHES NOMINAL IN, body_length: 2.750 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 320.0 HERTZ MINIMUM AND 480.0 HERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-844-9135, 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
890143B
NSN: 5950-00-844-9135
FSC: 5950 — Coils and Transformers
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
body_width1.620 INCHES NOMINAL IN
body_height2.125 INCHES NOMINAL IN
body_length2.750 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating320.0 HERTZ MINIMUM AND 480.0 HERTZ MAXIMUM SINGLE COMPONENT
special_features78 V AND 5.2 V SECONDARYS HAVE ONE COMMON TERMINAL V
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.196 INCHES NOMINAL SINGLE GROUP IN
winding_shielding_methodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
winding_operating_current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
winding_operating_voltage122.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-844-9135
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 890143B MFR TRANSFORMER,POWER
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
INCLOSURE TYPE: OPEN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
BODY WIDTH: 1.620 INCHES NOMINAL IN
•
BODY HEIGHT: 2.125 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.196 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
INCLOSURE TYPEOPEN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH1.620 INCHES NOMINAL IN
BODY HEIGHT2.125 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
OTHER ITEMS IN FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414
SUBSTITUTES & CROSS-REFERENCES 1
5800332-9211-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 890143B?
890143B is a TRANSFORMER,POWER.
What parts can replace 890143B?
There is 1 known substitute for 890143B: 5800332-9211-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 890143B?
890143B is cataloged in the U.S. Government catalog under NSN 5950-00-844-9135. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.