The Transformer,current, cataloged under National Stock Number 5950-00-989-5558, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-989-5558 |
| Primary Part Number | 687X10 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SECOND GROUP |
| Inclosure Type | OPEN |
| Mounting Method | FLANGE AND SLOT SINGLE GROUP |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Installation for Which Designed | INDOOR NONPORTABLE |
| Winding Operating Current | 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 2400.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 2.50 AC KILOVOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 2 STANDOFF, SCREW |
| 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 |
|---|---|
| 687X10 PRIMARY | General Electric Company (USA) |
NSN 5950-00-989-5558 is a Transformer,current, manufactured by General Electric Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-989-5558 has 1 manufacturer part number on file: 687X10 (General Electric Company).
Key specifications for 687X10: Overall Height: 4.625 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SECOND GROUP; Inclosure Type: OPEN; Mounting Method: FLANGE AND SLOT SINGLE GROUP. 11 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.