The Transformer,power, cataloged under National Stock Number 5950-00-918-8281, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-918-8281 |
| Primary Part Number | 9T21A4006 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Transformer Winding Connection Type | WYE-WYE |
| Inclosure Type | FULLY INCLOSED |
| Winding Power Rating | 9.0 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Body Width | 9.125 INCHES NOMINAL IN |
| Body Height | 28.938 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 7.875 INCHES NOMINAL IN |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 432.00 AC VOLTS NOMINAL AND 456.00 AC VOLTS NOMINAL AND 480.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 12 WIRE LEAD |
| 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 |
|---|---|
| 9T21A4006 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 9T21A4006 | 3/9 Design control — primary reference U.S. Government activity |
| 9T21A4006 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Distribution Transformer Business Dept Hickory Opn |
| 9T2F | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
NSN 5950-00-918-8281 is a Transformer,power, manufactured by General Electric Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-918-8281 has 1 manufacturer part number on file: 9T21A4006 (General Electric Company).
Key specifications for 9T21A4006: Transformer Winding Connection Type: WYE-WYE; Inclosure Type: FULLY INCLOSED; Winding Power Rating: 9.0 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT. 12 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.