PartsTable
Technical Data Sheet
1SR3B1 ✓ 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, FLATTED SINGLE ACTUATOR, flat_height: 0.218 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 1.625 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 2.188 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-8961, 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 1SR3B1
NSN: 5930-00-259-8961
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.218 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length1.625 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.188 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height3.750 INCHES NOMINAL IN
overall_length3.688 INCHES NOMINAL IN
shaft_diameter0.375 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designatorTAP, CIRCUIT SELECTOR
features_providedACTUATOR KNOB
NSN5930-00-259-8961
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 1SR3B1 MFR SWITCH,ROTARY
KEY FEATURES
LONGEST HORIZONTAL DISTANCE BETWEEN MOUNTING CENTERS: 1.641 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TEST DATA DOCUMENT: 81349-MIL-S-15291 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.).
SPECIFICATION/STANDARD DATA: 81349-MIL-S-15291/1 GOVERNMENT SPECIFICATION
THREAD QUANTITY PER INCH: 24 SINGLE MOUNTING FACILITY
FEATURES PROVIDED: ACTUATOR KNOB
MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING: 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
TECHNICAL CHARACTERISTICS (FLIS)
LONGEST HORIZONTAL DISTANCE BETWEEN MOUNTING CENTERS1.641 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TEST DATA DOCUMENT81349-MIL-S-15291 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.).
SPECIFICATION/STANDARD DATA81349-MIL-S-15291/1 GOVERNMENT SPECIFICATION
OVERALL WIDTH2.188 INCHES NOMINAL IN
THREAD QUANTITY PER INCH24 SINGLE MOUNTING FACILITY
FEATURES PROVIDEDACTUATOR KNOB
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
NOMINAL THREAD SIZE0.190 INCHES SINGLE MOUNTING FACILITY IN
TERMINAL TYPETHREADED STUD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1SR4F1Interchangeable
interchangeable cross-reference
interchangeable
4055-16PC22Interchangeable
interchangeable cross-reference
interchangeable
SWH0538Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-15291/1Interchangeable
interchangeable cross-reference
interchangeable
4055-16PC23Interchangeable
interchangeable cross-reference
interchangeable
J87-0122Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1SR3B1?
1SR3B1 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1SR3B1?
There are 17 known substitutes for 1SR3B1: 1SR4F1, 4055-16PC22, SWH0538 and 14 more. Substitute compatibility should be verified for your specific system.
Is 1SR3B1 still available?
1SR3B1 is currently cancelled.
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