The Transformer,power, cataloged under National Stock Number 5950-01-052-1266, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schneider Electric Usa, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-052-1266 |
| Primary Part Number | 10S1F |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| Cooling Type | FINS |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) SINGLE GROUP |
| Body Width | 12.000 INCHES NOMINAL IN |
| Body Height | 10.625 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 10.0 KILOVOLT-AMPERE SINGLE COMPONENT |
| Cooling Method | SELF-COOLED |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Body Length | 19.000 INCHES NOMINAL IN |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Winding Operating Voltage | 240.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Terminal Type and Quantity | 8 WIRE LEAD |
| Mounting Slot Width | 0.437 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 |
|---|---|
| 10S1F PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10S1F | 5/9 Secondary reference Schneider Electric Usa, Inc. |
| 10S1F | C/1 Advisory reference — outside the item-of-supply concept Square D Co Sorgel Mfg Plant |
NSN 5950-01-052-1266 is a Transformer,power, manufactured by Schneider Electric Usa, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-052-1266 has 1 manufacturer part number on file: 10S1F (Schneider Electric Usa, Inc.).
Key specifications for 10S1F: Cooling Type: FINS; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 16 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.