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K121 ✓ 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 PARTS KIT,FRICTION CLUTCH is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, length: 1.625 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: CARBIDE, document_type: STOCK LIST, end_item_name: SERVICE UNIT,FLAME THROWER,TRACK VEHICLE MOUNTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-804-9961, 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
K121
NSN: 3010-00-804-9961
FSC: 3010
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
shapeSTRAIGHT
length1.625 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialCARBIDE
document_typeSTOCK LIST
end_item_nameSERVICE UNIT,FLAME THROWER,TRACK VEHICLE MOUNTED
container_typeBOX
mounting_shankINCLUDED
document_source61208
end_item_source81361
overall_diameter0.375 INCHES NOMINAL IN
style_designatorTREE SHAPE
NSN3010-00-804-9961
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,FRICTION CLUTCH TITLE COMPONENT PN K121 MFR PARTS KIT,FRICTION CLU
KEY FEATURES
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
COMPONENT QUANTITY: 21
•
END ITEM NAME: SERVICE UNIT,FLAME THROWER,TRACK VEHICLE MOUNTED
•
CONTAINER TYPE: BOX
•
DOCUMENT TYPE: STOCK LIST
•
END ITEM SOURCE: 81361
•
DOCUMENT SOURCE: 61208
•
COMPONENT DOCUMENT PAGE NUMBER: 1
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT DOCUMENT ORIGININDUSTRIAL
COMPONENT QUANTITY21
END ITEM NAMESERVICE UNIT,FLAME THROWER,TRACK VEHICLE MOUNTED
CONTAINER TYPEBOX
DOCUMENT TYPESTOCK LIST
END ITEM SOURCE81361
DOCUMENT SOURCE61208
COMPONENT DOCUMENT PAGE NUMBER1
END ITEM IDENTIFICATION1040-930-5077
DOCUMENT IDENTIFICATIONK121
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
6-12-T-CInterchangeable
interchangeable cross-reference
interchangeable
SG-3-CInterchangeable
interchangeable cross-reference
interchangeable
160015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K121?
K121 is a PARTS KIT,FRICTION CLUTCH.
What parts can replace K121?
There are 3 known substitutes for K121: 6-12-T-C, SG-3-C, 160015. Substitute compatibility should be verified for your specific system.
What is the NSN for K121?
K121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-804-9961. 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