PartsTable
Technical Data Sheet
PartsTable / MRO / 1SR2B4
1SR2B4 ✓ 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: 0.234 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 1.312 INCHES NOMINAL IN, pole_quantity: 1 EACH SECTION FRONT, terminal_type: TAB W/SCREW, overall_height: 2.125 INCHES NOMINAL 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 5930-00-259-7146, 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→ 1SR2B4
NSN: 5930-00-259-7146
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.234 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width1.312 INCHES NOMINAL IN
pole_quantity1 EACH SECTION FRONT
terminal_typeTAB W/SCREW
overall_height2.125 INCHES NOMINAL IN
shaft_diameter0.219 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity2 EACH SECTION FRONT
mounting_methodBASE SINGLE MOUNTING FACILITY
contact_switching_actionBREAKS BEFORE MAKES EACH SECTION FRONT
mounting_facility_patternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
contact_load_current_rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
NSN5930-00-259-7146
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 1SR2B4 MFR SWITCH,ROTARY
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 1SR2B4 TYPE
•
CONTACT VOLTAGE RATING IN VOLTS: 120.0 DC AT SEA LEVEL
•
POLE QUANTITY: 1 EACH SECTION FRONT
•
SWITCH ACTUATOR POSITIONING INCREMENT: 90.0 DEGREES SINGLE ACTUATOR
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTPROOF
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 4 SINGLE ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1SR2B4 TYPE
CONTACT VOLTAGE RATING IN VOLTS120.0 DC AT SEA LEVEL
POLE QUANTITY1 EACH SECTION FRONT
SWITCH ACTUATOR POSITIONING INCREMENT90.0 DEGREES SINGLE ACTUATOR
OVERALL HEIGHT2.125 INCHES NOMINAL IN
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDUSTPROOF
OVERALL WIDTH1.312 INCHES NOMINAL IN
SWITCH ACTUATOR INDEXING POSITION QUANTITY4 SINGLE ACTUATOR
THROW QUANTITY2 EACH SECTION FRONT
TERMINAL TYPETAB W/SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MIL-S-15291/3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-15291/3Interchangeable
interchangeable cross-reference
interchangeable
M15291/3-001Interchangeable
interchangeable cross-reference
interchangeable
9000S6202-74085REV1TYPE1SR2A4Interchangeable
interchangeable cross-reference
interchangeable
C10301AInterchangeable
interchangeable cross-reference
interchangeable
9000S6202-74085UNIT6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1SR2B4?
1SR2B4 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1SR2B4?
There are 23 known substitutes for 1SR2B4: MIL-S-15291/3, MIL-DTL-15291/3, M15291/3-001 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1SR2B4?
1SR2B4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-7146. 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