The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-053-9894, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-053-9894 |
| Primary Part Number | 204256 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Superior Electric Holding Group Llc Div Specialty Product Technologies |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 4.031 INCHES NOMINAL IN |
| Body Height | 7.190 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Nominal Thread Size | 0.375 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 75.0 CELSIUS DEGC |
| Body Length | 8.060 INCHES NOMINAL IN |
| Winding Operating Current | 9.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Winding Operating Voltage | 0.00 AC VOLTS MINIMUM AND 68.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Terminal Type and Quantity | 4 SOLDER STUD |
| Thread Series Designator | UNF SINGLE GROUP |
| 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 |
|---|---|
| 1226-1027-VT | Superior Electric Holding Group Llc Div Specialty Product Technologies (USA) |
| 1226-1027 | Superior Electric Holding Group Llc Div Specialty Product Technologies (USA) |
| 204256 PRIMARY | Superior Electric Holding Group Llc Div Specialty Product Technologies (USA) |
| Reference | Meaning |
|---|---|
| 204256G1 | C/1 Advisory reference — outside the item-of-supply concept Superior Electric Holding Group Llc Div Specialty Product Technologies |
NSN 5950-01-053-9894 is a Transformer,power Autotransforme, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-053-9894 has 3 manufacturer part numbers on file: 1226-1027-VT (Superior Electric Holding Group Llc Div Specialty Product Technologies), 1226-1027 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 204256 (Superior Electric Holding Group Llc Div Specialty Product Technologies).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-359-6692. Verify interchangeability with system specifications before substitution.
Key specifications for 204256: Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: THREADED STUD(S) SINGLE GROUP. 17 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.