The Transformer,pulse, cataloged under National Stock Number 5950-00-519-9468, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Deutschland Gmbh Div Customer Services. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-519-9468 |
| Primary Part Number | 661BS1-201A1 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Thales Deutschland Gmbh Div Customer Services |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.937 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 11.42 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Inductance Rating | 3.40 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Pulse Repetition Rate | 30.0 HERTZ SINGLE COMPONENT |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.437 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | 1-3/4 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| 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 |
|---|---|
| 661BS1-201A1 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| 4831010672 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| 27548 | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| TR15560 | 3/9 Design control — primary reference Lct Electronics |
NSN 5950-00-519-9468 is a Transformer,pulse, manufactured by Thales Deutschland Gmbh Div Customer Services, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-519-9468 has 3 manufacturer part numbers on file: 661BS1-201A1 (Thales Deutschland Gmbh Div Customer Services), 4831010672 (Thales Deutschland Gmbh Div Customer Services), 27548 (Freed Transformer Co).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-424-7700. Verify interchangeability with system specifications before substitution.
Key specifications for 661BS1-201A1: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.937 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 14 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.