The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-030-9809, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-030-9809 |
| Primary Part Number | 667-0253-010 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.760 INCHES MAXIMUM IN |
| Body Height | 0.525 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 500.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 12.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 0.765 INCHES MAXIMUM IN |
| Winding Operating Current | 5.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 5 PIN |
| 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 |
|---|---|
| 667-0253-010 PRIMARY | Magnetika Inc (USA) |
| 41819 PRIMARY | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| 667-0253-010 | 5/9 Secondary reference U.S. Government activity |
| 667-0253-010 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5950-01-030-9809 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-030-9809 has 2 manufacturer part numbers on file: 667-0253-010 (Magnetika Inc), 41819 (Freed Transformer Co).
Key specifications for 667-0253-010: Inclosure Type: OPEN; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.760 INCHES MAXIMUM IN; Body Height: 0.525 INCHES MAXIMUM IN. 13 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.