PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1SR4A42Switch,rotary

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-00-259-7368 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-259-7368 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-259-7368. Primary manufacturer part number: 1SR4A42.
Features
  • Switch,rotary — FSC 5930
  • Contact Voltage Rating in Volts: 120.0 AC AT SEA LEVEL
  • Throw Quantity: 1 EACH SECTION REAR
  • Knob Manufacturer Code: 10001
  • Shaft Type: ROUND SINGLE ACTUATOR
  • Mounting Method: BASE SINGLE MOUNTING FACILITY
  • Shaft Diameter: 0.218 INCHES NOMINAL SINGLE ACTUATOR IN
  • Switch Actuator Stop Device Type: FIXED STOP SINGLE ACTUATOR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-259-7368, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5930-00-259-7368
Primary Part Number1SR4A42
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
Contact Voltage Rating in Volts120.0 AC AT SEA LEVEL
Throw Quantity1 EACH SECTION REAR
Knob Manufacturer Code10001
Shaft TypeROUND SINGLE ACTUATOR
Mounting MethodBASE SINGLE MOUNTING FACILITY
Shaft Diameter0.218 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Hazardous Locations/environmental ProtectionWATERTIGHT
Features ProvidedACTUATOR KNOB AND METALLIC INCLOSURE
Pole Quantity4 EACH SECTION FRONT
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Knob Manufacturer Part Number9000-S6202-74000-1
Terminal TypeTAB W/SCREW
Mounting Facility Circle Radius5.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Unthreaded Mounting Hole Diameter0.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternTHREE POSITION CIRCULAR SINGLE MOUNTING FACILITY
Individual Section Quantity2
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
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
5930-00-259-8884 INTERCHANGEABLE
Switch,rotary
5930-00-259-8903 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
1SR4A42 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
9000S6202-74207TYPE1SR4A4-2 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
5930-00-259-8884INTERCHANGEABLE
SWITCH,ROTARY
5930-00-259-8903INTERCHANGEABLE
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 5930-00-259-7368?

NSN 5930-00-259-7368 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 5930-00-259-7368?

NSN 5930-00-259-7368 has 3 cross-referenced part numbers: 1SR4A42 (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), 9000S6202-74207TYPE1SR4A4-2 (Naval Ship Systems Command).

What NSN replaces 5930-00-259-7368?

There are 12 known substitutes for 5930-00-259-7368: 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 1SR4A42?

Key specifications for 1SR4A42: Contact Voltage Rating in Volts: 120.0 AC AT SEA LEVEL; Throw Quantity: 1 EACH SECTION REAR; Knob Manufacturer Code: 10001; Shaft Type: ROUND SINGLE ACTUATOR. 21 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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