PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L285154-1Transformer,power

Raytheon Company Dba Raytheon Co · NSN 5950-00-645-8944 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-8944 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-8944. Primary manufacturer part number: L285154-1.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 720.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Width: 3.890 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Length: 4.620 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-8944, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-645-8944
Primary Part NumberL285154-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage720.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Width3.890 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Body Length4.620 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Height4.620 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity5 TAB, SOLDER LUG
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-203-47941272 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
2530-00-701-4040 INTERCHANGEABLE
Hub,wheel,vehicular
5120-00-911-864928072 INTERCHANGEABLE
Wrench,spanner
Moog Inc.
3825-01-122-1780 INTERCHANGEABLE
Skirt,floor,side
Cross-Reference Index
Part NumberManufacturer
L285154-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
28072 Freed Transformer Co (USA)
Related Parts
5120-00-203-4794INTERCHANGEABLE
WRENCH,OPEN END
1272
2530-00-701-4040INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
5120-00-911-8649INTERCHANGEABLE
WRENCH,SPANNER
28072
3825-01-122-1780INTERCHANGEABLE
SKIRT,FLOOR,SIDE

Frequently Asked Questions

What is NSN 5950-00-645-8944?

NSN 5950-00-645-8944 is a Transformer,power, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-8944?

NSN 5950-00-645-8944 has 2 cross-referenced part numbers: L285154-1 (Raytheon Company Dba Raytheon Co), 28072 (Freed Transformer Co).

What NSN replaces 5950-00-645-8944?

There are 4 known substitutes for 5950-00-645-8944: 5120-00-203-4794, 2530-00-701-4040, 5120-00-911-8649 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L285154-1?

Key specifications for L285154-1: Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 720.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 17 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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