The Transformer,power, cataloged under National Stock Number 5950-00-919-7121, 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 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-919-7121 |
| Primary Part Number | WE-1018 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 5.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 5.250 INCHES NOMINAL IN |
| Body Height | 2.870 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 6.500 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 28 SINGLE GROUP |
| Terminal Type and Quantity | 6 THREADED STUD AND 7 WIRE HOOK |
| Thread Series Designator | UNF 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 |
|---|---|
| 40327 | Coast/advanced Chip Magnetics, Inc. (USA) |
| SL 649 | Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA) |
| TS-43020 | Magnetic Components Inc (USA) |
| WE-1018 PRIMARY | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| WE-1018 | 5/9 Secondary reference Meggitt Safety Systems Inc |
| TR-240 | 5/9 Secondary reference Forster Textile Mills Inc |
| BX-10004 | 5/2 Secondary reference U.S. Government activity |
| 020-009-000 | 7/2 Vendor item drawing reference Meggitt Safety Systems Inc |
| 170048 | 5/9 Secondary reference Voltampere Corp |
NSN 5950-00-919-7121 is a Transformer,power, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-919-7121 has 4 manufacturer part numbers on file: 40327 (Coast/advanced Chip Magnetics, Inc.), SL 649 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), TS-43020 (Magnetic Components Inc), WE-1018 (Magnetika Inc).
6 possible matches (shared part number, not a government interchangeability claim): 4730-01-117-1937, 5330-01-186-5854, 5325-01-215-6421. Verify interchangeability with system specifications before substitution.
Key specifications for WE-1018: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 5.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT. 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.