The Switch,rotary, cataloged under National Stock Number 5930-00-072-8218, 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 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-072-8218 |
| Primary Part Number | 263664-LK2 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| First Flat Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Detent Rotational Torque Range | +2.000 TO 6.000 INCH-POUNDS SINGLE ACTUATOR IN |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 50.0 MILLIAMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 50.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.938 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 300.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 115.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Test Data Document | 81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Switch Actuator Positioning Increment | 20.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 13 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 270.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| 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 |
|---|---|
| 263664-LK2 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 840803 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-00-072-8218 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-072-8218 has 1 manufacturer part number on file: 263664-LK2 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-701-9332. Verify interchangeability with system specifications before substitution.
Key specifications for 263664-LK2: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 1.891 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 27 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.