The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-538-7137, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-538-7137 |
| Primary Part Number | RD20947-2 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 ALL GROUPINGS |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) ALL GROUPINGS |
| Body Width | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN |
| Body Height | 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Winding Shielding Method | INTERNALLY SHIELDED SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES ALL GROUPINGS IN |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Body Length | 2.250 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.932 INCHES MINIMUM AND 0.942 INCHES MAXIMUM SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Winding Operating Voltage | 44.00 AC VOLTS NOMINAL AND 48.00 AC VOLTS NOMINAL AND 52.00 AC VOLTS NOMINAL AND 56.00 AC VOLTS NOMINAL AND 60.00 AC VOLTS NOMINAL AND 64.00 AC VOLTS NOMINAL AND 68.00 AC VOLTS NOMINAL AND 72.00 AC VOLTS NOMINAL AND 76.00 AC VOLTS NOMINAL AND 80.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Terminal Type and Quantity | 13 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS |
| 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 |
|---|---|
| RD20947-2 PRIMARY | Raytheon Company (USA) |
| 750-0159-00 | Standex Electronics, Inc. (USA) |
| TW70153 | Magnetika (USA) |
| Reference | Meaning |
|---|---|
| 750-0159-00 | 5/9 Secondary reference Ncr Corp Power Systems Div |
| AP6729 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-538-7137 is a Transformer,power Autotransforme, manufactured by Raytheon Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-538-7137 has 3 manufacturer part numbers on file: RD20947-2 (Raytheon Company), 750-0159-00 (Standex Electronics, Inc.), TW70153 (Magnetika).
Key specifications for RD20947-2: Mounting Facility Quantity: 4 ALL GROUPINGS; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 20 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.