The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-381-7454, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is W. & O. Supply, Inc. Dba Emi Div Emi. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,audio Frequency |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | W. & O. Supply, Inc. Dba Emi Div Emi (CAGE 63544) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-381-7454 |
| Primary Part Number | 42030 ITEM 26 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | W. & O. Supply, Inc. Dba Emi Div Emi |
| Status | ACTIVE |
| 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 |
|---|---|
| 42030 ITEM 26 PRIMARY | W. & O. Supply, Inc. Dba Emi Div Emi (USA) |
| TR600 | W. & O. Supply, Inc. Dba Emi Div Emi (USA) |
| 5600-00046 | W. & O. Supply, Inc. Dba Emi Div Emi (USA) |
| Reference | Meaning |
|---|---|
| TR600 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5950-01-381-7454 is a Transformer,audio Frequency, manufactured by W. & O. Supply, Inc. Dba Emi Div Emi, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-381-7454 has 3 manufacturer part numbers on file: 42030 ITEM 26 (W. & O. Supply, Inc. Dba Emi Div Emi), TR600 (W. & O. Supply, Inc. Dba Emi Div Emi), 5600-00046 (W. & O. Supply, Inc. Dba Emi Div Emi).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-681-4508. 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.