The Transformer,power, cataloged under National Stock Number 5950-00-139-9689, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Interstate Electronics Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-139-9689 |
| Primary Part Number | T053-004-0001 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.562 INCHES NOMINAL IN |
| Body Height | 2.250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.193 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | EXTERNALLY GROUNDED AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Maximum Operating Temp | 200.0 CELSIUS DEGC |
| Body Length | 3.000 INCHES NOMINAL IN |
| Winding Operating Current | 8.0 MILLIAMPERES AC MINIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 25.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 0.027 AC VOLTS NOMINAL AND 0.267 AC VOLTS NOMINAL AND 0.277 AC VOLTS NOMINAL AND 0.685 AC VOLTS NOMINAL AND 0.813 AC VOLTS NOMINAL AND 0.89 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 9 TURRET |
| 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 |
|---|---|
| 40959 | Coast/advanced Chip Magnetics, Inc. (USA) |
| T053-004-0001 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| T053-004-0001 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| T053-004-0001 | B G Laboratories Inc. (USA) |
NSN 5950-00-139-9689 is a Transformer,power, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-139-9689 has 4 manufacturer part numbers on file: 40959 (Coast/advanced Chip Magnetics, Inc.), T053-004-0001 (L3harris Interstate Electronics Corporation), T053-004-0001 (Electronic Transformer Corp Div Electronic Transformer Corporation), T053-004-0001 (B G Laboratories Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6210-01-505-0023, 5935-01-700-0776. Verify interchangeability with system specifications before substitution.
Key specifications for T053-004-0001: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 19 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.