The Transformer,current, cataloged under National Stock Number 5950-01-239-4458, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Fairlead Integrated Power and Controls, Llc Dba Fairlead Ipc Div Fairlead Integrated Power & Controls, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-239-4458 |
| Primary Part Number | 2560-500TF |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Fairlead Integrated Power and Controls, Llc Dba Fairlead Ipc Div Fairlead Integrated Power & Controls, Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND SLOT SINGLE GROUP |
| Maximum Transformer Power Rating | 25.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Body Length | 3.500 INCHES NOMINAL IN |
| Winding Operating Current | 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 500.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.130 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 2 THREADED STUD |
| Mounting Slot Width | 0.210 INCHES NOMINAL SINGLE GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2560-500TF PRIMARY | Fairlead Integrated Power and Controls, Llc Dba Fairlead Ipc Div Fairlead Integrated Power & Controls, Llc (USA) |
| Reference | Meaning |
|---|---|
| 816-943-500/5 | 5/9 Secondary reference Tyco Electronics Crompton Instrument |
| 12-749383-05 | 5/9 Secondary reference Emerson Electric Co Computer Power Div |
| 5SFT-501 | 5/9 Secondary reference Instrument Transformers Inc |
| 5SFT501 | C/1 Advisory reference — outside the item-of-supply concept Challenger Electrical Equipment Corp |
NSN 5950-01-239-4458 is a Transformer,current, manufactured by Fairlead Integrated Power and Controls, Llc Dba Fairlead Ipc Div Fairlead Integrated Power & Controls, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-239-4458 has 1 manufacturer part number on file: 2560-500TF (Fairlead Integrated Power and Controls, Llc Dba Fairlead Ipc Div Fairlead Integrated Power & Controls, Llc).
Key specifications for 2560-500TF: Overall Height: 4.510 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.