The Transformer,power, cataloged under National Stock Number 5950-00-174-7798, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-174-7798 |
| Primary Part Number | 26689 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | FLANGE SINGLE GROUP |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| 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 |
|---|---|
| 26689 PRIMARY | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 26689 | 3/9 Design control — primary reference Unitron Inc |
NSN 5950-00-174-7798 is a Transformer,power, manufactured by Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-174-7798 has 1 manufacturer part number on file: 26689 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems).
3 possible matches (shared part number, not a government interchangeability claim): 5999-00-502-8088, 6625-00-835-3144, 6640-01-599-2459. Verify interchangeability with system specifications before substitution.
Key specifications for 26689: Overall Height: 16.250 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Method: FLANGE SINGLE GROUP; Overall Length: 24.000 INCHES NOMINAL IN. 4 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.