The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-155-4778, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-155-4778 |
| Primary Part Number | 2899442 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Body Length | 2.750 INCHES NOMINAL IN |
| Winding Operating Voltage | 57.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Transformer Winding Connection Type | WYE-WYE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Current | 320.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Inclosure Type | FULLY INCLOSED |
| Criticality Code Justification | FEAT |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Body Height | 3.812 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Width | 2.375 INCHES NOMINAL IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Terminal Type and Quantity | 6 SOLDER STUD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R103858 | Oeco, Llc (USA) |
| R103858-08 | Oeco, Llc (USA) |
| 44459 | Freed Transformer Co (USA) |
| 2899442 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 04192 | Magnetika Inc (USA) |
NSN 5950-01-155-4778 is a Transformer,power Autotransforme, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-01-155-4778 has 5 cross-referenced part numbers: R103858 (Oeco, Llc), R103858-08 (Oeco, Llc), 44459 (Freed Transformer Co), 2899442 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 04192 (Magnetika Inc).
There are 6 known substitutes for 5950-01-155-4778: 5945-00-435-3908, 3030-01-023-2121, 5133-01-068-4027 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2899442: Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Special Features: WEAPON SYSTEM ESSENTIAL; Body Length: 2.750 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.