The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-646-3036, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-646-3036 |
| Primary Part Number | PF3 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.875 INCHES NOMINAL IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 1.313 INCHES MAXIMUM IN |
| Body Height | 4.500 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.750 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Voltage | 15.00 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Winding Operating Voltage | 300.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| 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 |
|---|---|
| PF3 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| PF3 | 5/9 Secondary reference U.S. Government activity |
| SC-C-29964 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-646-3036 is a Transformer,power Autotransforme, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-646-3036 has 1 manufacturer part number on file: PF3 (Magnetika Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-864-9170. Verify interchangeability with system specifications before substitution.
Key specifications for PF3: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.875 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.