The Transformer,current, cataloged under National Stock Number 5950-01-305-8639, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon E-Systems, Inc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-305-8639 |
| Primary Part Number | EM-M0063-003 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Raytheon E-Systems, Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.720 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT SINGLE GROUP |
| Body Height | 2.670 INCHES MINIMUM AND 2.710 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 7.5 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Body Length | 2.400 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN |
| Winding Operating Current | 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 250.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.630 INCHES MINIMUM AND 1.670 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Test Data Document | 33875-EM--0063 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 2 THREADED STUD |
| Mounting Slot Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM SINGLE GROUP IN |
| 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 |
|---|---|
| 802-9430-RSLS | Crompton Modutec Inc (USA) |
| EM-M0063-003 PRIMARY | Raytheon E-Systems, Inc (USA) |
| 2SFT251 | Instrument Transformers Inc (USA) |
NSN 5950-01-305-8639 is a Transformer,current, manufactured by Raytheon E-Systems, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-305-8639 has 3 manufacturer part numbers on file: 802-9430-RSLS (Crompton Modutec Inc), EM-M0063-003 (Raytheon E-Systems, Inc), 2SFT251 (Instrument Transformers Inc).
Key specifications for EM-M0063-003: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.720 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 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.