The Switch,rotary, cataloged under National Stock Number 5930-00-548-7938, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electro Switch Corp. Dba Electro Switch Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-548-7938 |
| Primary Part Number | 20SR2B4 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — No Item Name Available |
| Manufacturer | Electro Switch Corp. Dba Electro Switch Corp |
| Status | ACTIVE |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| Contact Voltage Rating in Volts | 500.0 AC AT SEA LEVEL |
| Shaft Length | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Unthreaded Mounting Hole Diameter | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 4 |
| Shaft Type | ROUND, THREADED HOLE SINGLE ACTUATOR |
| Features Provided | DUMMY SECTION |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Test Data Document | 81349-MIL-S-15291 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.). |
| Nondefinitive Spec/std Data | 20SR CLASS |
| Contact Load Current Rating | 200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| Shaft Diameter | 0.625 INCHES NOMINAL SINGLE ACTUATOR IN |
| Mounting Method | BRACKET(S) AND SLOT SINGLE MOUNTING FACILITY |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Mounting Slot Width | 0.531 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Longest Vertical Distance Between Mounting Centers | 3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Specification/standard Data | 81349-MIL-S-15291 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Longest Horizontal Distance Between Mounting Centers | 8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type | TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20SR2B4 | Electro Switch Corp. Dba Electro Switch Corp (USA) |
| 9000S6202-74224 | Naval Ship Systems Command (USA) |
| MIL-S-15291/13 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 9301 | Electro Switch Corp. Dba Electro Switch Corp (USA) |
| 9000S6202-74123 | Naval Ship Systems Command (USA) |
| MIL-DTL-15291/13 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M15291/13-003 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5930-00-548-7938 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Electro Switch Corp, classified under FSC 5930 (No Item Name Available). Status: active.
NSN 5930-00-548-7938 has 7 cross-referenced part numbers: 20SR2B4 (Electro Switch Corp. Dba Electro Switch Corp), 9000S6202-74224 (Naval Ship Systems Command), MIL-S-15291/13 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9301 (Electro Switch Corp. Dba Electro Switch Corp), 9000S6202-74123 (Naval Ship Systems Command) and 2 more.
There are 12 known substitutes for 5930-00-548-7938: 7510-00-067-6802, 6810-00-394-9394, 5930-00-548-7940 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20SR2B4: Overall Height: 9.625 INCHES MAXIMUM IN; Overall Length: 7.094 INCHES NOMINAL IN; Overall Width: 9.500 INCHES NOMINAL IN; Hazardous Locations/environmental Protection: DUSTPROOF. 28 total characteristics are documented in the Federal Logistics Information System.