The Reactor-Transformer, cataloged under National Stock Number 5950-01-097-2157, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telemechanics Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-097-2157 |
| Primary Part Number | 402077 |
| Item Name | Reactor-Transformer |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SECOND COMPONENT |
| Mounting Method | FRICTION SINGLE GROUP |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM ALL COMPONENTS |
| Terminal Type and Quantity | 8 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 |
|---|---|
| 402077 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 402077 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5950-01-097-2157 is a Reactor-Transformer, manufactured by Telemechanics Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-097-2157 has 1 manufacturer part number on file: 402077 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 1010-01-650-9457. Verify interchangeability with system specifications before substitution.
Key specifications for 402077: Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SECOND COMPONENT; Mounting Method: FRICTION SINGLE GROUP; Overall Length: 0.875 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.