The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-835-2872, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Onan Corp Onan Power/electronics Div. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-835-2872 |
| Primary Part Number | 3-09452-0040 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Onan Corp Onan Power/electronics Div |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.085 INCHES MAXIMUM IN |
| Body Height | 1.000 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 15.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 1500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 1.125 INCHES MAXIMUM IN |
| Winding Operating Current | 2.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | 1 TO 10 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 PIN |
| 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 |
|---|---|
| 3-09452-0040 | Onan Corp Onan Power/electronics Div (USA) |
| Reference | Meaning |
|---|---|
| 324-2D | 5/9 Secondary reference Magnespec Inc |
| 321731-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| 3-9452 | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| 3-09452-0040 | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| 321796-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-835-2872 is a Transformer,audio Frequency, manufactured by Onan Corp Onan Power/electronics Div, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-835-2872 has 1 manufacturer part number on file: 3-09452-0040 (Onan Corp Onan Power/electronics Div).
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-467-9716, 5305-01-470-9100, 5340-01-577-0685. Verify interchangeability with system specifications before substitution.
Key specifications for 3-09452-0040: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Body Width: 1.085 INCHES MAXIMUM IN. 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.