The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-931-5943, 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 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-931-5943 |
| Primary Part Number | 65A27F17 |
| 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 | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Height | 0.520 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 800.0 HERTZ MINIMUM AND 1.2 KILOHERTZ MAXIMUM 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 51362 | Magnetika (USA) |
| PEI 7810 | Precision Electronics, Inc (USA) |
| 43382 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 65A27F17 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 276B1 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| Reference | Meaning |
|---|---|
| T3100 | 5/2 Secondary reference U.S. Government activity |
| 51362 | 5/9 Secondary reference Magnetek Inc Huntington Div |
| 51362 | 5/9 Secondary reference U.S. Government activity |
| 5950PL0183236 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5950-00-931-5943 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 5950-00-931-5943 has 5 manufacturer part numbers on file: 51362 (Magnetika), PEI 7810 (Precision Electronics, Inc), 43382 (Coast/advanced Chip Magnetics, Inc.), 65A27F17 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 276B1 (Electronic Transformer Corp Div Electronic Transformer Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 6515-01-253-9223, 5935-01-320-2510, 4820-01-340-6544. Verify interchangeability with system specifications before substitution.
Key specifications for 65A27F17: Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Body Height: 0.520 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 9 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.