The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-543-9142, 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 Naval Air Warfare Center Aircraft Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5950-00-543-9142 |
| Primary Part Number | 56A187B21 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Naval Air Warfare Center Aircraft Div |
| Status | CANCELLED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.125 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Body Width | 1.125 INCHES NOMINAL IN |
| Winding Operating Voltage | 0.10 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Winding Operating Voltage | 1.10 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Body Height | 1.000 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 56A187B21 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| 560591A | Teledyne Controls, Llc Dba Teledyne Controls (USA) |
| 560591 | Magnetika Inc (USA) |
| 36157 | Freed Transformer Co (USA) |
| 64A15F46 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| TW7114 | Magnetika (USA) |
| 56A187B21 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5950-00-543-9142 is a Transformer,power Autotransforme, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.
NSN 5950-00-543-9142 has 7 cross-referenced part numbers: 56A187B21 (Naval Air Warfare Center Aircraft Div), 560591A (Teledyne Controls, Llc Dba Teledyne Controls), 560591 (Magnetika Inc), 36157 (Freed Transformer Co), 64A15F46 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.
There are 4 known substitutes for 5950-00-543-9142: 5999-00-199-6221, 5940-00-534-0970, 4320-01-526-0729 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 56A187B21: Center to Center Distance Between Mounting Facilities Parallel to Width: 0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Length: 1.125 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5950-00-543-9142 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.