PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4JR20
4JR20 ✓ Verified by PartsTable
— · COMPONENT
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: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR, shaft_length: 1.344 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 2.812 INCHES NOMINAL IN, pole_quantity: 2 EACH SECTION FRONT, terminal_type: TAB W/SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-8894, 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
4JR20
NSN: 5930-00-259-8894
FSC: 5930
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
shaft_typeRECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
shaft_length1.344 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.812 INCHES NOMINAL IN
pole_quantity2 EACH SECTION FRONT
terminal_typeTAB W/SCREW
overall_height2.812 INCHES NOMINAL IN
overall_length10.906 INCHES NOMINAL IN
throw_quantity8 EACH SECTION FRONT
mounting_methodBRACKET(S) SINGLE MOUNTING FACILITY
style_designatorTAP, SQUARE FRAME
features_providedACTUATOR KNOB
NSN5930-00-259-8894
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 4JR20 MFR SWITCH,ROTARY
KEY FEATURES
•
KNOB MANUFACTURER PART NUMBER: 9000-S6202-73075-1
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
•
POLE QUANTITY: 2 EACH SECTION FRONT
•
CONTACT SWITCHING ACTION: BREAKS BEFORE MAKES EACH SECTION FRONT
•
SHAFT LENGTH: 1.344 INCHES NOMINAL SINGLE ACTUATOR IN
•
THREAD QUANTITY PER INCH: 24 SINGLE MOUNTING FACILITY
•
THROW QUANTITY: 8 EACH SECTION FRONT
•
TEST DATA DOCUMENT: 81349-MIL-S-21604 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.).
TECHNICAL CHARACTERISTICS (FLIS)
KNOB MANUFACTURER PART NUMBER9000-S6202-73075-1
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
POLE QUANTITY2 EACH SECTION FRONT
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES EACH SECTION FRONT
SHAFT LENGTH1.344 INCHES NOMINAL SINGLE ACTUATOR IN
THREAD QUANTITY PER INCH24 SINGLE MOUNTING FACILITY
THROW QUANTITY8 EACH SECTION FRONT
TEST DATA DOCUMENT81349-MIL-S-21604 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.).
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDUSTPROOF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
S1JR10Interchangeable
interchangeable cross-reference
interchangeable
1JR10Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-21604/5Interchangeable
interchangeable cross-reference
interchangeable
S-224Interchangeable
interchangeable cross-reference
interchangeable
23225-GInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-21604/5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4JR20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4JR20?
4JR20 is a SWITCH,ROTARY.
What parts can replace 4JR20?
There are 16 known substitutes for 4JR20: S1JR10, 1JR10, MIL-S-21604/5 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4JR20?
4JR20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-8894. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4JR20

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026