The Transformer,power, cataloged under National Stock Number 5950-00-645-8020, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-645-8020 |
| Primary Part Number | 50053-175-4 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND SLOT SINGLE GROUP |
| Body Width | 3.750 INCHES NOMINAL IN |
| Body Height | 3.250 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Body Length | 3.000 INCHES NOMINAL IN |
| Winding Operating Current | 0.159 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 0.159 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 1.62 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 2.05 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 10.80 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 7.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 7.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 8.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 13 WIRE LEAD |
| Mounting Slot Width | 0.375 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 |
|---|---|
| 50053-175-4 PRIMARY | Ward Leonard Ct Llc (USA) |
| 50053ITEM49 PRIMARY | Ward Leonard Ct Llc (USA) |
| 50053PC355 PRIMARY | Ward Leonard Ct Llc (USA) |
| 50053-175CASSY4 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 6204-923630ITEM49 | 3/2 Design control — primary reference U.S. Government activity |
| 6204-923629PC355 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-645-8020 is a Transformer,power, manufactured by Ward Leonard Ct Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-8020 has 4 manufacturer part numbers on file: 50053-175-4 (Ward Leonard Ct Llc), 50053ITEM49 (Ward Leonard Ct Llc), 50053PC355 (Ward Leonard Ct Llc), 50053-175CASSY4 (Ward Leonard Ct Llc).
Key specifications for 50053-175-4: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 23 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.