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121101A — SWITCH,ROTARY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

121101A: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.938 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 2.000 INCHES NOMINAL IN, pole_quantity: 1 SINGLE SECTION FRONT, terminal_type: TAB W/SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-755-5925, 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→ 121101A
NSN: 5930-00-755-5925
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.938 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.000 INCHES NOMINAL IN
pole_quantity1 SINGLE SECTION FRONT
terminal_typeTAB W/SCREW
overall_height2.000 INCHES NOMINAL IN
overall_length2.188 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity1 SINGLE SECTION FRONT
mounting_methodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designatorTAP, CIRCUIT SELECTOR
NSN5930-00-755-5925
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 121101A MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB W/SCREW
•
MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
•
CONTACT LOAD CURRENT RATING: 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
•
MOUNTING METHOD: BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND SINGLE ACTUATOR
OVERALL HEIGHT2.000 INCHES NOMINAL IN
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB W/SCREW
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
MOUNTING METHODBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
POLE QUANTITY1 SINGLE SECTION FRONT
STYLE DESIGNATORTAP, CIRCUIT SELECTOR
SUBSTITUTES & CROSS-REFERENCES 1
S1115Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121101A?
121101A is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121101A?
There is 1 known substitute for 121101A: S1115. Substitute compatibility should be verified for your specific system.
What is the NSN for 121101A?
121101A is cataloged in the U.S. Government catalog under NSN 5930-00-755-5925. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.