The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-146-8952, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is A. T. Parker, Inc. Div Solar Electronics Company. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-146-8952 |
| Primary Part Number | 6220-1A |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | A. T. Parker, Inc. Div Solar Electronics Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Mounting Method | SLOT SINGLE GROUP |
| Body Width | 4.500 INCHES NOMINAL IN |
| Body Height | 5.250 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 100.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1.25 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Impedance Rating in Ohms | 5.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 6.250 INCHES NOMINAL IN |
| Winding Operating Current | 50.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 30.0 HERTZ MINIMUM AND 250.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 2 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 BINDING POST AND 2 WIRE LEAD |
| Mounting Slot Width | 0.188 INCHES NOMINAL SINGLE GROUP IN |
| 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 |
|---|---|
| 6220-1A PRIMARY | A. T. Parker, Inc. Div Solar Electronics Company (USA) |
NSN 5950-01-146-8952 is a Transformer,audio Frequency, manufactured by A. T. Parker, Inc. Div Solar Electronics Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-146-8952 has 1 manufacturer part number on file: 6220-1A (A. T. Parker, Inc. Div Solar Electronics Company).
Key specifications for 6220-1A: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Mounting Method: SLOT SINGLE GROUP; Body Width: 4.500 INCHES NOMINAL IN. 16 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.