The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-021-5326, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-021-5326 |
| Primary Part Number | 1219-461 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.750 INCHES NOMINAL IN |
| Body Height | 0.400 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.125 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 5 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 |
|---|---|
| 1219-461 | B G Laboratories Inc. (USA) |
| AU-4353 | Magnespec Inc (USA) |
| 1219-461 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 12463 | Standex Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AU-4353 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-021-5326 is a Transformer,audio Frequency, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-021-5326 has 4 manufacturer part numbers on file: 1219-461 (B G Laboratories Inc.), AU-4353 (Magnespec Inc), 1219-461 (Bae Systems Information and Electronic Systems Integration Inc.), 12463 (Standex Electronics, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4520-01-443-7109, 5975-01-498-6314, 6510-01-631-1907. Verify interchangeability with system specifications before substitution.
Key specifications for 1219-461: Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.750 INCHES NOMINAL IN; Body Height: 0.400 INCHES NOMINAL IN. 10 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.