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PartsTable / COMPONENT / SMC643878
SMC643878 ✓ 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,TOGGLE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNT, body_width: 0.719 INCHES NOMINAL IN, body_height: 0.946 INCHES NOMINAL IN, body_length: 0.840 INCHES NOMINAL IN, thread_class: 2A A, overall_width: 0.719 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-646-4360, 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
SMC643878
NSN: 5930-00-646-4360
FSC: 5930
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width0.719 INCHES NOMINAL IN
body_height0.946 INCHES NOMINAL IN
body_length0.840 INCHES NOMINAL IN
thread_class2A A
overall_width0.719 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.470 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height2.106 INCHES NOMINAL IN
overall_length0.840 INCHES NOMINAL IN
actuator_height0.690 INCHES NOMINAL IN
NSN5930-00-646-4360
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN SMC643878 MFR SWITCH,TOGGLE
KEY FEATURES
•
BODY HEIGHT: 0.946 INCHES NOMINAL IN
•
ACTUATOR DIAMETER: 0.240 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.469 INCHES IN
•
INCLOSURE TYPE: UNINCLOSED
•
ACTUATOR POSITION-ACTION RELATIONSHIP: UP POSITION MOMENTARY AND DOWN POSITION MAINTAINED AND CENTER POSITION MOMENTARY
•
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 30.0 DC
•
ACTUATOR HEIGHT: 0.690 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.719 INCHES NOMINAL IN
BODY HEIGHT0.946 INCHES NOMINAL IN
ACTUATOR DIAMETER0.240 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.469 INCHES IN
INCLOSURE TYPEUNINCLOSED
ACTUATOR POSITION-ACTION RELATIONSHIPUP POSITION MOMENTARY AND DOWN POSITION MAINTAINED AND CENTER POSITION MOMENTARY
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 30.0 DC
ACTUATOR HEIGHT0.690 INCHES NOMINAL IN
MOUNTING METHODTHREADED BUSHING
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2410 1-31/32Interchangeable
interchangeable cross-reference
interchangeable
110 1-31/32Interchangeable
interchangeable cross-reference
interchangeable
53226Interchangeable
interchangeable cross-reference
interchangeable
SM-B-157432Interchangeable
interchangeable cross-reference
interchangeable
TL1-IRW-53226HInterchangeable
interchangeable cross-reference
interchangeable
B107.46Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMC643878?
SMC643878 is a SWITCH,TOGGLE.
What parts can replace SMC643878?
There are 16 known substitutes for SMC643878: 2410 1-31/32, 110 1-31/32, 53226 and 13 more. Substitute compatibility should be verified for your specific system.
Is SMC643878 still available?
SMC643878 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026