The Reactor, cataloged under National Stock Number 5950-00-581-8952, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-581-8952 |
| Primary Part Number | 81H640 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Inductance Rating | 2.25 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 14.500 INCHES NOMINAL IN |
| Body Height | 13.312 INCHES NOMINAL IN |
| Body Length | 16.062 INCHES NOMINAL IN |
| Winding Operating Current | 4.7 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 6.200 SINGLE COMPONENT SINGLE WINDING |
| Winding Quantity | 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 2 STANDOFF, THREADED STUD |
| Inductance Type | FIXED |
| 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 |
|---|---|
| 81H640 | General Electric Company (USA) |
| 7711155P1 | General Electric Company (USA) |
| 7711155P1 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 81H640 | 3/9 Design control — primary reference General Electric Co Distribution Transformer Business Dept Hickory Opn |
NSN 5950-00-581-8952 is a Reactor, manufactured by General Electric Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-581-8952 has 3 manufacturer part numbers on file: 81H640 (General Electric Company), 7711155P1 (General Electric Company), 7711155P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 81H640: Inclosure Type: HERMETICALLY SEALED; Inductance Rating: 2.25 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING; Body Width: 14.500 INCHES NOMINAL IN; Body Height: 13.312 INCHES NOMINAL IN. 10 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.