The Switch,rotary, cataloged under National Stock Number 5930-01-256-8539, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-256-8539 |
| Primary Part Number | 280043-F2X |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Switch Contact Basic Design | PILE-UP |
| Overall Diameter | 1.380 INCHES NOMINAL IN |
| Rotor Through Connection Quantity | 2 EACH SECTION |
| Contact Load Current Rating | 0.0033 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 1.0 MILLIAMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 5.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 10.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| 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 |
|---|---|
| 280043-F2X PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 2903104-10 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5930-01-256-8539 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-256-8539 has 1 manufacturer part number on file: 280043-F2X (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 280043-F2X: Switch Contact Basic Design: PILE-UP; Overall Diameter: 1.380 INCHES NOMINAL IN; Rotor Through Connection Quantity: 2 EACH SECTION; Contact Load Current Rating: 0.0033 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL. 11 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.