The Transformer,pulse, cataloged under National Stock Number 5950-00-220-3084, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sprague Electric Co World Hqs. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-220-3084 |
| Primary Part Number | ST1M003LS55001 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Sprague Electric Co World Hqs |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 500.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Width | 0.350 INCHES NOMINAL IN |
| Body Height | 0.250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.050 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.350 INCHES NOMINAL IN |
| DC Resistance Rating in Ohms | 0.800 SINGLE COMPONENT SINGLE SECONDARY |
| DC Resistance Rating in Ohms | 0.800 SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 WIRE LEAD |
| 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 |
|---|---|
| 42Z866A16 | Sprague Electric Co World Hqs (USA) |
| ST1M003LS55001 PRIMARY | Sprague Electric Co World Hqs (USA) |
| Reference | Meaning |
|---|---|
| ST1M003LS55001 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| 1WKEA | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-220-3084 is a Transformer,pulse, manufactured by Sprague Electric Co World Hqs, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-220-3084 has 2 manufacturer part numbers on file: 42Z866A16 (Sprague Electric Co World Hqs), ST1M003LS55001 (Sprague Electric Co World Hqs).
Key specifications for ST1M003LS55001: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 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.