The Transformer,power, cataloged under National Stock Number 5950-00-189-4947, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-189-4947 |
| Primary Part Number | S21891 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Electronic Transformer Corp Div Electronic Transformer Corporation |
| Status | ACTIVE |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Length | 6.500 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Body Height | 6.000 INCHES NOMINAL IN |
| Winding Operating Voltage | 225.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Winding Operating Current | 375.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Terminal Type and Quantity | 6 STANDOFF, SOLDER LUG |
| Winding Operating Voltage | 920.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Width | 5.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 4.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S21891 PRIMARY | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
NSN 5950-00-189-4947 is a Transformer,power, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-189-4947 has 1 cross-referenced part number: S21891 (Electronic Transformer Corp Div Electronic Transformer Corporation).
There is 1 known substitute for 5950-00-189-4947: 5325-00-804-9739. Verify interchangeability with system specifications before substitution.
Key specifications for S21891: Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Length: 6.500 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Body Height: 6.000 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.