The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-944-0837, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keytronics, Inc. Div Api Technologies Corp- Magnetics. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-944-0837 |
| Primary Part Number | JD15 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Keytronics, Inc. Div Api Technologies Corp- Magnetics |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED WITH OIL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 0.938 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN |
| Body Height | 1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1000.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Impedance Rating in Ohms | 10000.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 120.0 CELSIUS DEGC |
| Body Length | 0.938 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 75.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 7 WIRE HOOK |
| 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 |
|---|---|
| JD15 | Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA) |
| Reference | Meaning |
|---|---|
| 188632-000 | 5/2 Secondary reference U.S. Government activity |
| 802371-1 | 3/2 Design control — primary reference U.S. Government activity |
| M5232 | 5/9 Secondary reference Microtran Co Inc |
NSN 5950-00-944-0837 is a Transformer,audio Frequency, manufactured by Keytronics, Inc. Div Api Technologies Corp- Magnetics, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-944-0837 has 1 manufacturer part number on file: JD15 (Keytronics, Inc. Div Api Technologies Corp- Magnetics).
Key specifications for JD15: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED WITH OIL; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 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.