PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS15291Switch,rotary

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-00-548-7944 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-548-7944 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-548-7944. Primary manufacturer part number: MILS15291.
Features
  • Switch,rotary — FSC 5930
  • Features Provided: METALLIC INCLOSURE
  • Longest Horizontal Distance Between Mounting Centers: 8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Unthreaded Mounting Hole Diameter: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Contact Load Current Rating: 200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
  • Hazardous Locations/environmental Protection: DUSTPROOF
  • Shaft Type: ROUND SINGLE ACTUATOR
  • Longest Vertical Distance Between Mounting Centers: 3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-548-7944, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-548-7944
Primary Part NumberMILS15291
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Features ProvidedMETALLIC INCLOSURE
Longest Horizontal Distance Between Mounting Centers8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Unthreaded Mounting Hole Diameter0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Load Current Rating200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Hazardous Locations/environmental ProtectionDUSTPROOF
Shaft TypeROUND SINGLE ACTUATOR
Longest Vertical Distance Between Mounting Centers3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Individual Section Quantity6
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Shaft Diameter0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal TypeTAB W/SCREW
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Nondefinitive Spec/std Data20SR CLASS
Test Data Document81349-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.).
Contact Load Current Rating200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Mounting MethodBASE SINGLE MOUNTING FACILITY
Contact Voltage Rating in Volts500.0 AC AT SEA LEVEL
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating in Volts250.0 DC AT SEA LEVEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-548-7938 INTERCHANGEABLE
Switch,rotary
5930-00-548-7940 INTERCHANGEABLE
Switch,rotary
5930-00-548-7942 INTERCHANGEABLE
Switch,rotary
5930-00-548-7946 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
MILS15291 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9000S6202-74224 Naval Ship Systems Command (USA)
20SR3B4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3673-26PC12 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
20SR3B4 Electro Switch Corp. Dba Electro Switch Corp (USA)
Related Parts
5930-00-548-7938INTERCHANGEABLE
SWITCH,ROTARY
5930-00-548-7940INTERCHANGEABLE
SWITCH,ROTARY
5930-00-548-7942INTERCHANGEABLE
SWITCH,ROTARY
5930-00-548-7946INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 5930-00-548-7944?

NSN 5930-00-548-7944 is a Switch,rotary, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-548-7944?

NSN 5930-00-548-7944 has 5 cross-referenced part numbers: MILS15291 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9000S6202-74224 (Naval Ship Systems Command), 20SR3B4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3673-26PC12 (Electric Boat Corporation Div General Dynamics Electric Boat), 20SR3B4 (Electro Switch Corp. Dba Electro Switch Corp).

What NSN replaces 5930-00-548-7944?

There are 4 known substitutes for 5930-00-548-7944: 5930-00-548-7938, 5930-00-548-7940, 5930-00-548-7942 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS15291?

Key specifications for MILS15291: Overall Height: 9.500 INCHES NOMINAL IN; Overall Width: 6.750 INCHES NOMINAL IN; Features Provided: METALLIC INCLOSURE; Longest Horizontal Distance Between Mounting Centers: 8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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