The Transformer,pulse, cataloged under National Stock Number 5950-00-646-3905, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Mission Systems, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-646-3905 |
| Primary Part Number | 21625 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 15.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Inductance Rating | 15.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Body Width | 0.625 INCHES NOMINAL IN |
| Body Height | 1.781 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.094 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 1 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 SOLDER STUD |
| 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 |
|---|---|
| 21625 PRIMARY | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AE10381 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-646-3905 is a Transformer,pulse, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-646-3905 has 1 manufacturer part number on file: 21625 (General Dynamics Mission Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-711-7640, 6695-00-988-2920, 4820-01-507-5840. Verify interchangeability with system specifications before substitution.
Key specifications for 21625: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Inductance Rating: 15.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 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.