The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-829-3295, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-829-3295 |
| Primary Part Number | KR652 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Transformer Function | MODULATION |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 2.000 INCHES MAXIMUM IN |
| Body Height | 2.375 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 30.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 3000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 30.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 100.0 CELSIUS DEGC |
| Body Length | 1.938 INCHES MAXIMUM IN |
| Winding Operating Current | 2.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 160.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 6.0 KILOHERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Terminal Type and Quantity | 5 SOLDER STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| 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 |
|---|---|
| KR652 PRIMARY | Magnetika Inc (USA) |
| BC3520 | Pegasus Inc (USA) |
| C1984 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| TT-1829 | Hytronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| KR652 | 5/9 Secondary reference U.S. Government activity |
| 677-0312-010 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 52332 | 5/9 Secondary reference Opt Industries Inc Div of Electronika Inc |
| BC3520 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-829-3295 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-829-3295 has 4 manufacturer part numbers on file: KR652 (Magnetika Inc), BC3520 (Pegasus Inc), C1984 (Electronic Transformer Corp Div Electronic Transformer Corporation), TT-1829 (Hytronics Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 1650-00-840-5467, 4930-01-693-0457. Verify interchangeability with system specifications before substitution.
Key specifications for KR652: Overall Height: 2.750 INCHES MAXIMUM IN; Transformer Function: MODULATION; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED. 22 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.