The Switch,rotary, cataloged under National Stock Number 5930-01-356-5218, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Omega Engineering, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-356-5218 |
| Primary Part Number | OSW3-3-PG |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICALNONPILE-UP SYMMETRICAL |
| Overall Diameter | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Precious Material | SILVERSILVER |
| Features Provided | ACTUATOR KNOBACTUATOR KNOB |
| Precious Material and Location | CONTACT AND WIPER SURFACES SILVERCONTACT AND WIPER SURFACES SILVER |
| 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 |
|---|---|
| OSW3-3-PG PRIMARY | Omega Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| DSW3-3-PG | 5/9 Secondary reference Omega Engineering, Inc. |
NSN 5930-01-356-5218 is a Switch,rotary, manufactured by Omega Engineering, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-356-5218 has 1 manufacturer part number on file: OSW3-3-PG (Omega Engineering, Inc.).
Key specifications for OSW3-3-PG: Switch Contact Basic Design: NONPILE-UP SYMMETRICALNONPILE-UP SYMMETRICAL; Overall Diameter: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN; Precious Material: SILVERSILVER; Features Provided: ACTUATOR KNOBACTUATOR KNOB. 5 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.