The Transformer,current, cataloged under National Stock Number 5950-01-138-9219, 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 Square D Co Electromagnetic Industries Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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 | 5950-01-138-9219 |
| Primary Part Number | 5NR251 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Square D Co Electromagnetic Industries Div |
| Status | ACTIVE |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Body Length | 1.063 INCHES NOMINAL IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Hole Diameter | 1.562 INCHES NOMINAL SINGLE GROUP IN |
| Body Outside Diameter | 3.500 INCHES NOMINAL IN |
| Winding Operating Current | 600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Inclosure Type | OPEN |
| Mounting Method | TERMINAL AND UNTHREADED HOLE(S) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-01-138-9219 is a Transformer,current, manufactured by Square D Co Electromagnetic Industries Div, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-01-138-9219 has 2 cross-referenced part numbers: 5NR251 (Square D Co Electromagnetic Industries Div), 5N251 (Square D Co Electromagnetic Industries Div).
There is 1 known substitute for 5950-01-138-9219: 6105-01-437-4046. Verify interchangeability with system specifications before substitution.
Key specifications for 5NR251: Winding Function and Quantity: 1 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 1 SINGLE GROUP; Terminal Type and Quantity: 2 WIRE LEAD; Frequency Rating: 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT. 12 total characteristics are documented in the Federal Logistics Information System.