The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-320-2980, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-320-2980 |
| Primary Part Number | 215T28 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | PLUG-IN SINGLE GROUP |
| Body Width | 0.969 INCHES NOMINAL IN |
| Body Height | 0.938 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 50.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 25.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT FIRST PRIMARY |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT SECOND PRIMARY |
| Body Length | 1.094 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 4-1/2 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 7 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 |
|---|---|
| 215T28 | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA) |
| Reference | Meaning |
|---|---|
| TI826 | 3/9 Design control — primary reference Transformers Inc |
| TI826 | 5/9 Secondary reference Renco Electronics Inc Dba Coils Unlimited |
NSN 5950-00-320-2980 is a Transformer,audio Frequency, manufactured by Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-320-2980 has 1 manufacturer part number on file: 215T28 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic).
Key specifications for 215T28: Overall Height: 1.126 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN; Inclosure Type: FULLY INCLOSED; Mounting Method: PLUG-IN SINGLE GROUP; Body Width: 0.969 INCHES NOMINAL IN. 14 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.