The Reactor-Transformer, cataloged under National Stock Number 5950-00-239-7535, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robert M. Hadley Company, Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-00-239-7535 |
| Primary Part Number | 73C812-001 |
| Item Name | Reactor-Transformer |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 0.20 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | PRIMARY AND SECONDARY SHIELDED AND BROUGHT OUT TO TERMINAL ALL COMPONENTS |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 95.0 CELSIUS DEGC |
| Winding Operating Current | 17.0 AMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Winding Operating Current | 940.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.025 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 2.4 KILOHERTZ NOMINAL FIRST COMPONENT |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SECOND COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 9 TURRET |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Hazardous Locations/environmental Protection | SALT SPRAY RESISTANT |
| 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 |
|---|---|
| 73C812-001 | Robert M. Hadley Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 73C812-001 | 3/9 Design control — primary reference Ail Systems Inc Sub of Eaton Corp |
NSN 5950-00-239-7535 is a Reactor-Transformer, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-239-7535 has 1 manufacturer part number on file: 73C812-001 (Robert M. Hadley Company, Inc.).
Key specifications for 73C812-001: Overall Height: 2.469 INCHES MAXIMUM IN; Mounting Facility Quantity: 6 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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.