The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-646-0430, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-646-0430 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.250 INCHES NOMINAL IN |
| Body Height | 2.812 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 300.0 NOMINAL AND 700.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Length | 2.688 INCHES NOMINAL IN |
| Winding Operating Current | 5.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 600.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 5 SOLDER STUD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A5501 | 5/9 Secondary reference Merit Coil and Transformer Corp |
| SCC106066 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-646-0430 is a Transformer,audio Frequency, classified under FSC 5950, Coils and Transformers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5930-00-795-9537, 5962-01-196-5467, 5915-01-338-9477. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-00-646-0430: Mounting Facility Quantity: 6 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 16 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.