The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-0860, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-0860 |
| Primary Part Number | M7427 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.625 INCHES NOMINAL IN |
| Body Height | 2.375 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 30.0 MILLIWATTS SINGLE COMPONENT |
| Mounting Hole Diameter | 0.144 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 15000.0 NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Impedance Rating in Ohms | 80000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Body Length | 1.625 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 2-1/3 SINGLE COMPONENT |
| Terminal Type and Quantity | 8 STANDOFF, 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 |
|---|---|
| 724386REVD | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| M7427 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| M7427 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-645-0860 is a Transformer,audio Frequency, manufactured by Cummins Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-0860 has 2 manufacturer part numbers on file: 724386REVD (Lockheed Martin Corporation Div Rms - Mitchel Field), M7427 (Cummins Inc.).
Key specifications for M7427: Overall Height: 2.813 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 17 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.