PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

890537Transformer,power

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5950-00-110-0988 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-110-0988 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-110-0988. Primary manufacturer part number: 890537.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 51.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 55.75 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Body Length: 3.120 INCHES NOMINAL IN
  • Body Height: 1.630 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-110-0988, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-110-0988
Primary Part Number890537
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Winding Operating Voltage51.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage55.75 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Length3.120 INCHES NOMINAL IN
Body Height1.630 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage90.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage3.50 AC KILOVOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current56.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.760 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current240.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT
Winding Operating Voltage111.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity17 TAB, SOLDER LUG
Body Width2.620 INCHES NOMINAL IN
Mounting Hole Diameter0.166 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-194-052910270 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
1630-00-603-172740-147 INTERCHANGEABLE
Control Box,anti Skid
Hydro-Aire Aerospace Corp
4820-01-160-361640147 INTERCHANGEABLE
Parts Kit,diaphragm Replacement
Sullair Corp
6120-01-617-031040-147 INTERCHANGEABLE
Power Supply
Anritsu Company
Cross-Reference Index
Part NumberManufacturer
40147 Freed Transformer Co (USA)
890537 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
PEI 5957 Precision Electronics, Inc (USA)
890537 Berkshire Transformer (USA)
Related Parts
3455-00-194-0529INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10270
1630-00-603-1727INTERCHANGEABLE
CONTROL BOX,ANTI SKID
40-147
4820-01-160-3616INTERCHANGEABLE
PARTS KIT,DIAPHRAGM REPLACEMENT
40147
6120-01-617-0310INTERCHANGEABLE
POWER SUPPLY
40-147

Frequently Asked Questions

What is NSN 5950-00-110-0988?

NSN 5950-00-110-0988 is a Transformer,power, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-110-0988?

NSN 5950-00-110-0988 has 4 cross-referenced part numbers: 40147 (Freed Transformer Co), 890537 (Bae Systems Information and Electronic Systems Integration Inc.), PEI 5957 (Precision Electronics, Inc), 890537 (Berkshire Transformer).

What NSN replaces 5950-00-110-0988?

There are 4 known substitutes for 5950-00-110-0988: 3455-00-194-0529, 1630-00-603-1727, 4820-01-160-3616 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 890537?

Key specifications for 890537: Winding Operating Voltage: 51.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY; Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 55.75 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Body Length: 3.120 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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