The Transformer,current, cataloged under National Stock Number 5950-00-678-1189, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Hollingsworth John R Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-678-1189 |
| Primary Part Number | JHP21-31 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Hollingsworth John R Co |
| Status | ACTIVE |
| Frequency Rating | 60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 2 SCREW |
| Winding Operating Current | 200.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Inclosure Type | FULLY INCLOSED |
| Maximum Transformer Power Rating | 12.5 VOLT-AMPERE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 1.218 INCHES NOMINAL IN |
| Winding Operating Current | 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Height | 4.000 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Reliability Indicator | NOT ESTABLISHED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Body Length | 3.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-00-678-1189 is a Transformer,current, manufactured by Hollingsworth John R Co, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-678-1189 has 3 cross-referenced part numbers: JHP21-31 (Hollingsworth John R Co), 3-200-5 (Square D Co Electromagnetic Industries Div), 3M201 (Square D Co Electromagnetic Industries Div).
There are 9 known substitutes for 5950-00-678-1189: 5310-00-137-3201, 5920-00-355-4726, 5930-00-615-1383 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for JHP21-31: Frequency Rating: 60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT; Terminal Type and Quantity: 2 SCREW; Winding Operating Current: 200.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Inclosure Type: FULLY INCLOSED. 14 total characteristics are documented in the Federal Logistics Information System.