The Switch,rotary, cataloged under National Stock Number 5930-01-128-5599, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hoy Don Co Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-128-5599 |
| Primary Part Number | B05-20402 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Hoy Don Co Inc |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Precious Material | SILVER |
| Mounting Method | THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 4 |
| Shaft Length | 1.500 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Switch Actuator Positioning Increment | 36.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 9 SINGLE ACTUATOR |
| Throw Quantity | 9 EACH SECTION REAR |
| 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 |
|---|---|
| R884A0936000 | Radio Switch Corp (USA) |
| B05-20402 PRIMARY | Hoy Don Co Inc (USA) |
| Reference | Meaning |
|---|---|
| B05-20402 | C/1 Advisory reference — outside the item-of-supply concept Skf Usa Inc |
NSN 5930-01-128-5599 is a Switch,rotary, manufactured by Hoy Don Co Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-128-5599 has 2 manufacturer part numbers on file: R884A0936000 (Radio Switch Corp), B05-20402 (Hoy Don Co Inc).
Key specifications for B05-20402: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 5.000 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 15 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.