PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

656518Transformer,power

Cae Usa Inc. · NSN 5950-00-470-2931 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-470-2931 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-470-2931. Primary manufacturer part number: 656518.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Series Designator: UNF SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Width: 5.562 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-470-2931, 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 Cae Usa Inc.. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-470-2931
Primary Part Number656518
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Body Width5.562 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 SOLDER STUD
Body Length4.312 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.688 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-052-9533T-104-O SZ 3/4 IN INTERCHANGEABLE
Valve,gate
Nibco Inc Chemtrol Div
3030-00-087-3728B133SET4 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
6150-00-185-3071 INTERCHANGEABLE
Lead,storage Battery
5940-00-243-0409AAA16-1 INTERCHANGEABLE
Terminal,lug
Mac Products, Inc
5420-00-588-4897 INTERCHANGEABLE
Fluid,vulcanizing,p
5340-00-885-7769P1031 INTERCHANGEABLE
Plate,t
Unistrut International Corporation Dba Unistrut Diversified Products
4510-01-032-2771B-133 INTERCHANGEABLE
Spray Assembly
T and S Brass and Bronze Works Inc
8345-01-248-9086 INTERCHANGEABLE
Suspension Device,streamer
3530-01-280-4152B133 INTERCHANGEABLE
Bar,feed
Consolidated Sewing Machine Corp
2530-01-290-9288 INTERCHANGEABLE
Brake Drum
Cross-Reference Index
Part NumberManufacturer
656518 PRIMARY Cae Usa Inc. (USA)
B133 B G Laboratories Inc. (USA)
656518 Raytheon Technical Services Company (USA)
Related Parts
4820-00-052-9533INTERCHANGEABLE
VALVE,GATE
T-104-O SZ 3/4 IN
3030-00-087-3728INTERCHANGEABLE
BELTS,V,MATCHED SET
B133SET4
6150-00-185-3071INTERCHANGEABLE
LEAD,STORAGE BATTERY
5940-00-243-0409INTERCHANGEABLE
TERMINAL,LUG
AAA16-1
5420-00-588-4897INTERCHANGEABLE
FLUID,VULCANIZING,P
5340-00-885-7769INTERCHANGEABLE
PLATE,T
P1031
4510-01-032-2771INTERCHANGEABLE
SPRAY ASSEMBLY
B-133
8345-01-248-9086INTERCHANGEABLE
SUSPENSION DEVICE,STREAMER
3530-01-280-4152INTERCHANGEABLE
BAR,FEED
B133
2530-01-290-9288INTERCHANGEABLE
BRAKE DRUM
3030-01-293-1374INTERCHANGEABLE
BELT,V
B133
8345-01-583-9986INTERCHANGEABLE
STREAMER SET ATTACHMENT,AWARD

Frequently Asked Questions

What is NSN 5950-00-470-2931?

NSN 5950-00-470-2931 is a Transformer,power, manufactured by Cae Usa Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-470-2931?

NSN 5950-00-470-2931 has 3 cross-referenced part numbers: 656518 (Cae Usa Inc.), B133 (B G Laboratories Inc.), 656518 (Raytheon Technical Services Company).

What NSN replaces 5950-00-470-2931?

There are 12 known substitutes for 5950-00-470-2931: 4820-00-052-9533, 3030-00-087-3728, 6150-00-185-3071 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 656518?

Key specifications for 656518: Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 18 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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