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Technical Data Sheet
AR-8-K68 ✓ 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 CUTTER BIT,TOOL HOLDER is a the manufacturer industrial component. Key specifications include shape: SQUARE, material: CARBIDE, edge_type: RIGHT HAND TURNING, overall_width: 0.500 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, unable_to_decode: UNABLE TO DECODE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-956-4109, 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
AR-8-K68
NSN: 3455-00-956-4109
FSC: 3455
CAGE: 85597 — KENNAMETAL INC (USA)
SPECIFICATIONS
shapeSQUARE
materialCARBIDE
edge_typeRIGHT HAND TURNING
overall_width0.500 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
unable_to_decodeUNABLE TO DECODE
material_locationTIP
overall_thickness0.500 INCHES NOMINAL IN
cutting_edge_finishGROUND TO SHAPE
nondefinitive_spec/std_dataAR STYLE AND 8 SIZE AND 2 CLASS
material_type_for_which_designedFERROUS METAL
NSN3455-00-956-4109
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER BIT,TOOL HOLDER TITLE COMPONENT PN AR-8-K68 MFR CUTTER BIT,TOOL HOLDER
KEY FEATURES
EDGE TYPE: RIGHT HAND TURNING
UNABLE TO DECODE: UNABLE TO DECODE
MATERIAL: CARBIDE
CUTTING EDGE FINISH: GROUND TO SHAPE
MATERIAL TYPE FOR WHICH DESIGNED: FERROUS METAL
SHAPE: SQUARE
NONDEFINITIVE SPEC/STD DATA: AR STYLE AND 8 SIZE AND 2 CLASS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.500 INCHES NOMINAL IN
EDGE TYPERIGHT HAND TURNING
UNABLE TO DECODEUNABLE TO DECODE
MATERIALCARBIDE
CUTTING EDGE FINISHGROUND TO SHAPE
MATERIAL TYPE FOR WHICH DESIGNEDFERROUS METAL
SHAPESQUARE
NONDEFINITIVE SPEC/STD DATAAR STYLE AND 8 SIZE AND 2 CLASS
MATERIAL LOCATIONTIP
OVERALL THICKNESS0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
10560Interchangeable
interchangeable cross-reference
interchangeable
AR8-AInterchangeable
interchangeable cross-reference
interchangeable
ST-10090Interchangeable
interchangeable cross-reference
interchangeable
ANSI B212.1Interchangeable
Same NIIN cross-reference
interchangeable
A-A-51143Interchangeable
Same NIIN cross-reference
interchangeable
AR-8/AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AR-8-K68?
AR-8-K68 is a CUTTER BIT,TOOL HOLDER.
What parts can replace AR-8-K68?
There are 7 known substitutes for AR-8-K68: 10560, AR8-A, ST-10090 and 4 more. Substitute compatibility should be verified for your specific system.
Is AR-8-K68 still available?
AR-8-K68 is currently cancelled.
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