The Transformer,power, cataloged under National Stock Number 5950-01-551-5506, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kato Engineering Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-551-5506 |
| Primary Part Number | 856-94634-01 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Winding Operating Current | 4.17 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 4200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| 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 |
|---|---|
| 856-94634-01 PRIMARY | Kato Engineering Inc. (USA) |
| 099-00222-03 ITEM 90 | Kato Engineering Inc. (USA) |
NSN 5950-01-551-5506 is a Transformer,power, manufactured by Kato Engineering Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-551-5506 has 2 manufacturer part numbers on file: 856-94634-01 (Kato Engineering Inc.), 099-00222-03 ITEM 90 (Kato Engineering Inc.).
Key specifications for 856-94634-01: Overall Height: 5.600 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Overall Length: 9.620 INCHES NOMINAL IN; Overall Width: 6.750 INCHES NOMINAL IN. 6 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.