The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-7291, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-7291 |
| Primary Part Number | M4804 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Maximum Transformer Power Rating | 3.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 20000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ MINIMUM AND 800.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 6-21/64 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG |
| 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 |
|---|---|
| M4804 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8900990PT1 | 5/9 Secondary reference General Electric Company |
| 8900990-1 | 5/9 Secondary reference General Electric Company |
| M4804 | 5/9 Secondary reference U.S. Government activity |
| 8900990PT1 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-645-7291 is a Transformer,audio Frequency, manufactured by Cummins Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-7291 has 1 manufacturer part number on file: M4804 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-387-2210. Verify interchangeability with system specifications before substitution.
Key specifications for M4804: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Maximum Transformer Power Rating: 3.0 WATTS SINGLE COMPONENT. 11 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.