The Transformer,power, cataloged under National Stock Number 5950-01-108-3099, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navy, United States Department of the Spawar Dba Space and Naval Wafare Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-108-3099 |
| Primary Part Number | 74E11N304 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navy, United States Department of the Spawar Dba Space and Naval Wafare Command |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 4.000 INCHES MAXIMUM IN |
| Body Height | 3.870 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 4.690 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Winding Operating Voltage | 5.00 AC VOLTS NOMINAL AND 55.00 AC VOLTS NOMINAL AND 60.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 7 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 |
|---|---|
| 25471 | Torotel, Inc. Div Torotel Products, Inc. (USA) |
| 74E11N304 PRIMARY | Navy, United States Department of the Spawar Dba Space and Naval Wafare Command (USA) |
| 74E11N304 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| 74E11N304 | 5/2 Secondary reference U.S. Government activity |
| BTC11454 | 5/9 Secondary reference U.S. Government activity |
| 74E11N304 | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| 74E11N304 | 5/9 Secondary reference Torotel, Inc. Div Torotel Products, Inc. |
| 74E11N304 | 5/9 Secondary reference U.S. Government activity |
| 74E11N304 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-108-3099 is a Transformer,power, manufactured by Navy, United States Department of the Spawar Dba Space and Naval Wafare Command, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-108-3099 has 3 manufacturer part numbers on file: 25471 (Torotel, Inc. Div Torotel Products, Inc.), 74E11N304 (Navy, United States Department of the Spawar Dba Space and Naval Wafare Command), 74E11N304 (Magnetika Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-464-5019, 4730-01-538-4664, 5940-01-590-5458. Verify interchangeability with system specifications before substitution.
Key specifications for 74E11N304: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 18 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.