The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-931-5932, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-931-5932 |
| Primary Part Number | 64A7A11-3 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.312 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 10000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Impedance Rating in Ohms | 1250.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 0.469 INCHES NOMINAL IN |
| Winding Operating Current | 3.5 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 | 7 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PEI 7028 | Precision Electronics, Inc (USA) |
| 64A7A11-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| CS10089 | Coil Specialty Company, Inc. (USA) |
| A10550 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| HB704 | 5/1 Secondary reference Magnetika Inc |
| 5950PL0183233 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| HB704 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-931-5932 is a Transformer,audio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-931-5932 has 4 manufacturer part numbers on file: PEI 7028 (Precision Electronics, Inc), 64A7A11-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), CS10089 (Coil Specialty Company, Inc.), A10550 (Autodyne Manufacturing Co Inc).
Key specifications for 64A7A11-3: Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.312 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 11 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.
NSN 5950-00-931-5932 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.