PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3SR4D4-3Switch,rotary

Couch S H Co · NSN 5930-00-258-4209 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-258-4209 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-258-4209. Primary manufacturer part number: 3SR4D4-3.
Features
  • Switch,rotary — FSC 5930
  • Switch Actuator Positioning Increment: 90.0 DEGREES SINGLE ACTUATOR
  • Terminal Type: TAB W/SCREW
  • Knob Manufacturer Part Number: S6202-74089-192
  • Shaft Diameter: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
  • Longest Vertical Distance Between Mounting Centers: 7.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Shaft Type: ROUND SINGLE ACTUATOR
  • Hazardous Locations/environmental Protection: WATERTIGHT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-258-4209, 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 Couch S H Co. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN5930-00-258-4209
Primary Part Number3SR4D4-3
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCouch S H Co
StatusACTIVE
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Knob Manufacturer Part NumberS6202-74089-192
Shaft Diameter0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Longest Vertical Distance Between Mounting Centers7.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Shaft TypeROUND SINGLE ACTUATOR
Hazardous Locations/environmental ProtectionWATERTIGHT
Longest Horizontal Distance Between Mounting Centers7.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Shaft Length1.125 INCHES NOMINAL SINGLE ACTUATOR IN
Features ProvidedACTUATOR KNOB AND METALLIC INCLOSURE
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternISOSCELES TRIANGLE SINGLE MOUNTING FACILITY
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Mounting MethodBASE SINGLE MOUNTING FACILITY
Individual Section Quantity8
Knob Manufacturer Code80064
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating in Volts120.0 AC AT SEA LEVEL
Nondefinitive Spec/std Data3SR4D4-3 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5930-00-259-8903 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
3SR4D4-3 Couch S H Co (USA)
MILS15743 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9000S6202-73692REV1PIECE3 Naval Ship Systems Command (USA)
3SR4D4-3 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
3SR4D43 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9000S6202-74322 Naval Ship Systems Command (USA)
3SR4D4-3 U.s. Pioneer, L.l.c. (USA)
3SR4D4-3 Dri Relays Inc. Dba Dri Relays Inc (USA)
3SR4D4-3 Winchester Industries Inc (USA)
Related Parts
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
5930-00-259-8903INTERCHANGEABLE
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 5930-00-258-4209?

NSN 5930-00-258-4209 is a Switch,rotary, manufactured by Couch S H Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-258-4209?

NSN 5930-00-258-4209 has 9 cross-referenced part numbers: 3SR4D4-3 (Couch S H Co), MILS15743 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9000S6202-73692REV1PIECE3 (Naval Ship Systems Command), 3SR4D4-3 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), 3SR4D43 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5930-00-258-4209?

There are 12 known substitutes for 5930-00-258-4209: 5930-00-258-5461, 5930-00-258-5462, 5930-00-258-5659 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3SR4D4-3?

Key specifications for 3SR4D4-3: Switch Actuator Positioning Increment: 90.0 DEGREES SINGLE ACTUATOR; Terminal Type: TAB W/SCREW; Knob Manufacturer Part Number: S6202-74089-192; Shaft Diameter: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN. 23 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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