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Technical Data Sheet
PartsTable / MRO / 20SR4S3
20SR4S3 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 2.000 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 6.750 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_height: 9.500 INCHES NOMINAL IN, shaft_diameter: 0.625 INCHES NOMINAL SINGLE ACTUATOR IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-548-7942, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 20SR4S3
NSN: 5930-00-548-7942
FSC: 5930
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length2.000 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width6.750 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height9.500 INCHES NOMINAL IN
shaft_diameter0.625 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodBASE SINGLE MOUNTING FACILITY
features_providedMETALLIC INCLOSURE
contact_switching_actionBREAKS BEFORE MAKES EACH SECTION FRONT
mounting_facility_patternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
contact_load_current_rating200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
individual_section_quantity8
NSN5930-00-548-7942
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 20SR4S3 MFR SWITCH,ROTARY
KEY FEATURES
•
INDIVIDUAL SECTION QUANTITY: 8
•
CONTACT SWITCHING ACTION: BREAKS BEFORE MAKES EACH SECTION FRONT
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
CONTACT LOAD CURRENT RATING: 200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
•
MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 4 SINGLE ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH6.750 INCHES NOMINAL IN
INDIVIDUAL SECTION QUANTITY8
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES EACH SECTION FRONT
UNTHREADED MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
CONTACT LOAD CURRENT RATING200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
OVERALL HEIGHT9.500 INCHES NOMINAL IN
SWITCH ACTUATOR INDEXING POSITION QUANTITY4 SINGLE ACTUATOR
CONTACT LOAD CURRENT RATING200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
LONGEST HORIZONTAL DISTANCE BETWEEN MOUNTING CENTERS8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
20SR2B4Interchangeable
interchangeable cross-reference
interchangeable
9000S6202-74224Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-15291/13Interchangeable
interchangeable cross-reference
interchangeable
N1015PC13Interchangeable
interchangeable cross-reference
interchangeable
9302Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-15291/11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20SR4S3?
20SR4S3 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20SR4S3?
There are 10 known substitutes for 20SR4S3: 20SR2B4, 9000S6202-74224, MIL-S-15291/13 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20SR4S3?
20SR4S3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-548-7942. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026