The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-134-5557, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 8 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 | 5950-00-134-5557 |
| Primary Part Number | 55-0188-17 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Winding Power Rating | 80.0 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Winding Shielding Method | EXTERNAL INCLOSURE SINGLE COMPONENT |
| Winding Operating Current | 12.6 AMPERES AC MAXIMUM AND 713.0 AMPERES AC MAXIMUM AND 695.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 |
|---|---|
| 55-0188-17 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5950-00-134-5557 is a Transformer,power Autotransforme, manufactured by Grimes Aerospace Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-134-5557 has 1 manufacturer part number on file: 55-0188-17 (Grimes Aerospace Company).
Key specifications for 55-0188-17: Overall Height: 1.312 INCHES NOMINAL IN; Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Winding Power Rating: 80.0 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT. 8 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.