The Transformer,current, cataloged under National Stock Number 5950-01-364-7801, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Instrument Transformers Inc. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-364-7801 |
| Primary Part Number | 6SFT-401 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Instrument Transformers Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 ALL GROUPINGS |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT ALL GROUPINGS |
| Body Width | 4.120 INCHES NOMINAL IN |
| Body Height | 2.120 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.750 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP IN |
| Body Length | 4.220 INCHES NOMINAL IN |
| Winding Operating Current | 500.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.340 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN |
| Terminal Type and Quantity | 2 THREADED STUD |
| Mounting Slot Width | 0.250 INCHES NOMINAL ALL GROUPINGS 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 |
|---|---|
| 858-44548-80 | Kato Engineering Inc. (USA) |
| 6SFT-401 PRIMARY | Instrument Transformers Inc (USA) |
NSN 5950-01-364-7801 is a Transformer,current, manufactured by Instrument Transformers Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-364-7801 has 2 manufacturer part numbers on file: 858-44548-80 (Kato Engineering Inc.), 6SFT-401 (Instrument Transformers Inc).
Key specifications for 6SFT-401: Mounting Facility Quantity: 4 ALL GROUPINGS; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: SLOT ALL GROUPINGS. 15 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.