The Transformer,power, cataloged under National Stock Number 5950-01-438-9910, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mackay Communications, Inc Div Government. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Transformer,power |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Mackay Communications Inc Dba Mackay Marine (CAGE 3K816); Mackay Communications, Inc Div Government (CAGE 8Z275) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-438-9910 |
| Primary Part Number | 112561 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Mackay Communications, Inc Div Government |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| F6-28 CLASS B | Mackay Communications Inc Dba Mackay Marine (USA) |
| 112561 PRIMARY | Mackay Communications, Inc Div Government (USA) |
| Reference | Meaning |
|---|---|
| 112561 | 5/9 Secondary reference Mackay Communications Inc Dba Mackay Marine |
NSN 5950-01-438-9910 is a Transformer,power, manufactured by Mackay Communications, Inc Div Government, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-438-9910 has 2 manufacturer part numbers on file: F6-28 CLASS B (Mackay Communications Inc Dba Mackay Marine), 112561 (Mackay Communications, Inc Div Government).
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.