The Transformer,current, cataloged under National Stock Number 5950-01-160-4786, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Anderson Engineering of New Prague Inc. Dba Midwest Current Transformer Div Midwest Current Transformer. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-160-4786 |
| Primary Part Number | 3CT12B |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Anderson Engineering of New Prague Inc. Dba Midwest Current Transformer Div Midwest Current Transformer |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 3.875 INCHES NOMINAL IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Maximum Transformer Power Rating | 2.0 VOLT-AMPERE SINGLE COMPONENT |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Winding Operating Current | 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 200.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 2 WIRE LEAD W/LUG |
| Mounting Slot Width | 0.250 INCHES NOMINAL 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 |
|---|---|
| 3CT12B PRIMARY | Anderson Engineering of New Prague Inc. Dba Midwest Current Transformer Div Midwest Current Transformer (USA) |
| Reference | Meaning |
|---|---|
| 3CT12B | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-160-4786 is a Transformer,current, manufactured by Anderson Engineering of New Prague Inc. Dba Midwest Current Transformer Div Midwest Current Transformer, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-160-4786 has 1 manufacturer part number on file: 3CT12B (Anderson Engineering of New Prague Inc. Dba Midwest Current Transformer Div Midwest Current Transformer).
Key specifications for 3CT12B: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 3.875 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.