The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-374-4587, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pico Electronics Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-374-4587 |
| Primary Part Number | C-3105 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Pico Electronics Inc |
| Status | ACTIVE |
| Body Outside Diameter | 0.350 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 400.0 MINIMUM AND 500.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 0.440 INCHES NOMINAL IN |
| Terminal Type and Quantity | 7 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 |
|---|---|
| C-3105 PRIMARY | Pico Electronics Inc (USA) |
| 677-0323-240 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| DI-T135 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-374-4587 is a Transformer,audio Frequency, manufactured by Pico Electronics Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-374-4587 has 2 manufacturer part numbers on file: C-3105 (Pico Electronics Inc), 677-0323-240 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-461-4614. Verify interchangeability with system specifications before substitution.
Key specifications for C-3105: Body Outside Diameter: 0.350 INCHES NOMINAL IN; Impedance Rating in Ohms: 400.0 MINIMUM AND 500.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Body Length: 0.440 INCHES NOMINAL IN; Terminal Type and Quantity: 7 WIRE LEAD. 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.