The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-648-2624, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telephonics Corp. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-648-2624 |
| Primary Part Number | 35167 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.656 INCHES MAXIMUM IN |
| Body Height | 1.312 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 20.0 DECIBELS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 300.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Distance Between Mounting Facility Centers | 1.606 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.656 INCHES MAXIMUM IN |
| Winding Operating Current | 3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 4-21/32 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| 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 |
|---|---|
| C11174 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| 35167 PRIMARY | Telephonics Corp (USA) |
| AT-2320 | Hytronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| H8963 | 5/1 Secondary reference Magnetika Inc |
| H8963 | 5/9 Secondary reference U.S. Government activity |
| H8963S | 5/9 Secondary reference U.S. Government activity |
| SMB105181 | 3/2 Design control — primary reference U.S. Government activity |
| H8963S | 5/1 Secondary reference Magnetika Inc |
NSN 5950-00-648-2624 is a Transformer,audio Frequency, manufactured by Telephonics Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-648-2624 has 3 manufacturer part numbers on file: C11174 (Electronic Transformer Corp Div Electronic Transformer Corporation), 35167 (Telephonics Corp), AT-2320 (Hytronics Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 2930-00-890-6335, 6520-01-541-1108. Verify interchangeability with system specifications before substitution.
Key specifications for 35167: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Body Width: 1.656 INCHES MAXIMUM IN. 19 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.