The Switch,rotary, cataloged under National Stock Number 5930-00-009-6420, 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 29 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-009-6420 |
| Primary Part Number | 276139A2 |
| 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 | 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.375 INCHES NOMINAL AT 5:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.188 INCHES MAXIMUM IN |
| First Flat Length | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Contact Load Current Rating | 200.0 MILLIAMPERES RESISTIVE LOAD AND 20.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 100.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.344 INCHES MINIMUM AND 0.391 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Pole Quantity | 2 EACH SECTION FRONT |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Nonturn Device Type | PIN AT 5:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.929 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION FRONT |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS SECOND SECTION FRONT |
| Contact Switching Action | MAKES BEFORE BREAKS SECOND SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Test Data Document | 81349-MILS3786 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 | 30.0 DEGREES 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 |
|---|---|
| 276139A2 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 5-31641-411 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 8886700010-1 | Electro Switch Corp Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 8886700010-1 | 3/9 Design control — primary reference Navcom Defense Electronics, Inc. |
NSN 5930-00-009-6420 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-009-6420 has 3 manufacturer part numbers on file: 276139A2 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 5-31641-411 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 8886700010-1 (Electro Switch Corp Div Electroswitch).
Key specifications for 276139A2: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Nonturn Device Radius: 0.375 INCHES NOMINAL AT 5:00 OCLOCK IN. 29 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.