The Transformer,pulse, cataloged under National Stock Number 5950-00-683-8125, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-683-8125 |
| Primary Part Number | SWR11889 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 100.00 MICROHENRIES NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Inductance Rating | 3.60 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Inductance Rating | 900.00 MICROHENRIES NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Pulse Repetition Rate | 200.0 HERTZ SINGLE COMPONENT |
| Mounting Hole Diameter | 0.055 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1.5 NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Impedance Rating in Ohms | 3.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Impedance Rating in Ohms | 6.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 0.469 INCHES NOMINAL IN |
| Winding Operating Current | 10.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY |
| DC Resistance Rating in Ohms | 6.000 SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 1.500 SINGLE COMPONENT SECOND SECONDARY |
| DC Resistance Rating in Ohms | 4.000 SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | 6 TO 2 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 SOLDER STUD |
| 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 |
|---|---|
| SWR11889 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| SWR11889 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1381451 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5950-00-683-8125 is a Transformer,pulse, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-683-8125 has 1 manufacturer part number on file: SWR11889 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for SWR11889: Mounting Facility Quantity: 6 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 1.000 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 21 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.