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LL121 ✓ 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 material: PLASTIC CASE, body_style: BUSHING MOUNT, body_width: 0.450 INCHES NOMINAL IN, body_height: 0.410 INCHES NOMINAL IN, body_length: 0.500 INCHES NOMINAL IN, overall_width: 0.450 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 6110-01-007-7338, 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
LL121
NSN: 6110-01-007-7338
FSC: 6110
CAGE: 04009 — COOPER INDUSTRIES INC COOPER DISTRIBUTION EQUIPMENT DIV (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleBUSHING MOUNT
body_width0.450 INCHES NOMINAL IN
body_height0.410 INCHES NOMINAL IN
body_length0.500 INCHES NOMINAL IN
overall_width0.450 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.437 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.602 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
actuator_height0.660 INCHES NOMINAL IN
NSN6110-01-007-7338
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN LL121 MFR SWITCH,TOGGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
8018Interchangeable
interchangeable cross-reference
interchangeable
127-189-018Interchangeable
interchangeable cross-reference
interchangeable
GD00990186Interchangeable
interchangeable cross-reference
interchangeable
2206-08-00Interchangeable
interchangeable cross-reference
interchangeable
T-198-CInterchangeable
interchangeable cross-reference
interchangeable
1404S9MXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LL121?
LL121 is a SWITCH,TOGGLE.
What parts can replace LL121?
There are 20 known substitutes for LL121: 8018, 127-189-018, GD00990186 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LL121?
LL121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6110-01-007-7338. 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