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Technical Data Sheet
4121-4MLW4 ✓ 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: ROUND SINGLE ACTUATOR, shaft_length: 0.875 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 1.312 INCHES NOMINAL IN, pole_quantity: 1 SECOND SECTION REAR, terminal_type: TAB, SOLDER LUG, thread_length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-548-3661, 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
4121-4MLW4
NSN: 5930-00-548-3661
FSC: 5930
CAGE: 82104 — STANDARD GRIBSBY INC (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width1.312 INCHES NOMINAL IN
pole_quantity1 SECOND SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.562 INCHES NOMINAL IN
overall_length4.250 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity5 SECOND SECTION REAR
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
NSN5930-00-548-3661
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 4121-4MLW4 MFR SWITCH,ROTARY
KEY FEATURES
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 6 SINGLE ACTUATOR
THREAD SERIES DESIGNATOR: UNEF SINGLE MOUNTING FACILITY
CONTACT SWITCHING ACTION: MAKES BEFORE BREAKS FOURTH SECTION FRONT
POLE QUANTITY: 1 FIRST SECTION REAR
MOUNTING METHOD: THREADED BUSHING SINGLE MOUNTING FACILITY
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
THROW QUANTITY: 5 FIRST SECTION REAR
TECHNICAL CHARACTERISTICS (FLIS)
SWITCH ACTUATOR INDEXING POSITION QUANTITY6 SINGLE ACTUATOR
THREAD SERIES DESIGNATORUNEF SINGLE MOUNTING FACILITY
CONTACT SWITCHING ACTIONMAKES BEFORE BREAKS FOURTH SECTION FRONT
POLE QUANTITY1 FIRST SECTION REAR
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
POLE QUANTITY1 SECOND SECTION REAR
THROW QUANTITY5 FIRST SECTION REAR
CONTACT SWITCHING ACTIONMAKES BEFORE BREAKS FIRST SECTION REAR
THROW QUANTITY5 THIRD SECTION FRONT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4MLWInterchangeable
interchangeable cross-reference
interchangeable
SWR049Interchangeable
interchangeable cross-reference
interchangeable
36203-4MLR1Interchangeable
interchangeable cross-reference
interchangeable
B4222-4MLW1REVBInterchangeable
interchangeable cross-reference
interchangeable
SWR054REV1Interchangeable
interchangeable cross-reference
interchangeable
SWR054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4121-4MLW4?
4121-4MLW4 is a SWITCH,ROTARY.
What parts can replace 4121-4MLW4?
There are 23 known substitutes for 4121-4MLW4: 4MLW, SWR049, 36203-4MLR1 and 20 more. Substitute compatibility should be verified for your specific system.
Is 4121-4MLW4 still available?
4121-4MLW4 is currently cancelled.
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