The Switch,rotary, cataloged under National Stock Number 5930-01-277-6913, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-277-6913 |
| Primary Part Number | 0SW3-12 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 3.710 INCHES NOMINAL IN |
| Rotor Through Connection Quantity | 2 SINGLE SECTION |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.112 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 SINGLE SECTION FRONT |
| Individual Section Quantity | 1 |
| Features Provided | ACTUATOR KNOB |
| Contact Switching Action | MAKES BEFORE BREAKS SINGLE SECTION FRONT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0SW3-12 PRIMARY | Omega Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0SW3-12 | C/1 Advisory reference — outside the item-of-supply concept Omega Electric Div F and B Mfg Co |
NSN 5930-01-277-6913 is a Switch,rotary, manufactured by Omega Engineering, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-277-6913 has 1 manufacturer part number on file: 0SW3-12 (Omega Engineering, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-281-4087. Verify interchangeability with system specifications before substitution.
Key specifications for 0SW3-12: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG; Mounting Facility Pattern: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY; Overall Diameter: 3.710 INCHES NOMINAL IN. 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.
NSN 5930-01-277-6913 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.