PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1054139Transformer,power

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 5950-00-808-5920 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-808-5920 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-808-5920. Primary manufacturer part number: 1054139.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 2.620 INCHES MAXIMUM IN
  • Winding Operating Voltage: 450.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-808-5920, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-808-5920
Primary Part Number1054139
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.620 INCHES MAXIMUM IN
Winding Operating Voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Inclosure TypeOPEN
Winding Operating Voltage167.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage300.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current75.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current320.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Body Length2.500 INCHES NOMINAL IN
Body Width2.620 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity8 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-227-77569058 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
1660-00-673-4448 INTERCHANGEABLE
Seat Assy,valve
5306-01-076-47921054-139 INTERCHANGEABLE
Bolt,dee Head
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
1054139 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
1054139 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
9085 Transformer Engineers Co a Div of Standard Industries Inc (USA)
Related Parts
5935-00-227-7756INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9058
1660-00-673-4448INTERCHANGEABLE
SEAT ASSY,VALVE
5306-01-076-4792INTERCHANGEABLE
BOLT,DEE HEAD
1054-139

Frequently Asked Questions

What is NSN 5950-00-808-5920?

NSN 5950-00-808-5920 is a Transformer,power, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-808-5920?

NSN 5950-00-808-5920 has 3 cross-referenced part numbers: 1054139 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 1054139 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div), 9085 (Transformer Engineers Co a Div of Standard Industries Inc).

What NSN replaces 5950-00-808-5920?

There are 3 known substitutes for 5950-00-808-5920: 5935-00-227-7756, 1660-00-673-4448, 5306-01-076-4792. Verify interchangeability with system specifications before substitution.

What are the specifications of 1054139?

Key specifications for 1054139: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 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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