The Transformer,power, cataloged under National Stock Number 5950-01-392-9971, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unison Industries Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Transformer,power |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Unison Industries Llc (CAGE 59501) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-392-9971 |
| Primary Part Number | 139139 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Unison Industries Llc |
| 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 |
|---|---|
| 139139 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 139139 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-392-9971 is a Transformer,power, manufactured by Unison Industries Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-392-9971 has 1 manufacturer part number on file: 139139 (Unison Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-662-7327. Verify interchangeability with system specifications before substitution.
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.