PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-15743Switch,rotary

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-00-259-8903 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-259-8903 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-259-8903. Primary manufacturer part number: MIL-DTL-15743.
Features
  • Switch,rotary — FSC 5930
  • Features Provided: ACTUATOR KNOB AND METALLIC INCLOSURE
  • Style Designator: TAP, CIRCUIT SELECTOR
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
  • Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION FRONT
  • Nominal Thread Size: 0.190 INCHES SINGLE MOUNTING FACILITY IN
  • Shaft Diameter: 0.625 INCHES NOMINAL SINGLE ACTUATOR IN
  • Square Shaft Size: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-259-8903, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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.

Technical Specifications
ParameterValue
NSN5930-00-259-8903
Primary Part NumberMIL-DTL-15743
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 ProvidedACTUATOR KNOB AND METALLIC INCLOSURE
Style DesignatorTAP, CIRCUIT SELECTOR
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY IN
Shaft Diameter0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Square Shaft Size0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting Facility Circle Radius7.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Individual Section Quantity15
Knob Manufacturer Part Number9-S-5564-L-19
First Flat Length0.866 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Throw Quantity8 EACH SECTION FRONT
Thread Class2B SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeADJUSTABLE STOP SINGLE ACTUATOR
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL
Hazardous Locations/environmental ProtectionWATERTIGHT
Shaft Length1.304 INCHES NOMINAL SINGLE ACTUATOR IN
Test Data Document80064-9-S-5568-L DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Terminal TypeTAB W/SCREW
Shaft TypeROUND, SQUARE SINGLE ACTUATOR
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Pole Quantity2 EACH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Mounting MethodBRACKET(S) SINGLE MOUNTING FACILITY
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Knob Manufacturer Code80064
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-258-4209 INTERCHANGEABLE
Switch,rotary
5930-00-258-5461 INTERCHANGEABLE
Switch,rotary
5930-00-258-5462 INTERCHANGEABLE
Switch,rotary
5930-00-258-5659 INTERCHANGEABLE
Switch,rotary
5930-00-259-7368 INTERCHANGEABLE
Switch,rotary
5930-00-259-8884 INTERCHANGEABLE
Switch,rotary
5930-00-296-3873 INTERCHANGEABLE
Switch,rotary
5930-00-296-3876 INTERCHANGEABLE
Switch,rotary
5930-00-296-3877 INTERCHANGEABLE
Switch,rotary
5930-00-296-45279000S6202-74207TYPE1SR2A4-4 INTERCHANGEABLE
Switch,rotary
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-15743 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS15743 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S4JR15-3B Winchester Industries Inc (USA)
4JRP15S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S4JR15-3B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9S5568L Naval Ship Systems Command (USA)
Related Parts
5930-00-258-4209INTERCHANGEABLE
SWITCH,ROTARY
5930-00-258-5461INTERCHANGEABLE
SWITCH,ROTARY
5930-00-258-5462INTERCHANGEABLE
SWITCH,ROTARY
5930-00-258-5659INTERCHANGEABLE
SWITCH,ROTARY
5930-00-259-7368INTERCHANGEABLE
SWITCH,ROTARY
5930-00-259-8884INTERCHANGEABLE
SWITCH,ROTARY
5930-00-296-3873INTERCHANGEABLE
SWITCH,ROTARY
5930-00-296-3876INTERCHANGEABLE
SWITCH,ROTARY
5930-00-296-3877INTERCHANGEABLE
SWITCH,ROTARY
5930-00-296-4527INTERCHANGEABLE
SWITCH,ROTARY
9000S6202-74207TYPE1SR2A4-4
5930-00-296-6023INTERCHANGEABLE
SWITCH,ROTARY
5930-00-578-3952INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 5930-00-259-8903?

NSN 5930-00-259-8903 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 5930-00-259-8903?

NSN 5930-00-259-8903 has 6 cross-referenced part numbers: MIL-DTL-15743 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS15743 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S4JR15-3B (Winchester Industries Inc), 4JRP15S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S4JR15-3B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5930-00-259-8903?

There are 12 known substitutes for 5930-00-259-8903: 5930-00-258-4209, 5930-00-258-5461, 5930-00-258-5462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-15743?

Key specifications for MIL-DTL-15743: Features Provided: ACTUATOR KNOB AND METALLIC INCLOSURE; Style Designator: TAP, CIRCUIT SELECTOR; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL; Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION FRONT. 30 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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