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AR6K21 — CUTTER BIT,TOOL HOLDER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AR6K21: CUTTER BIT,TOOL HOLDER.

The CUTTER BIT,TOOL HOLDER is a the manufacturer industrial component. Key specifications include end_item_identification: MAURY CLASS TAGS-39. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-404-5838, 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
AR6K21
NSN: 3455-00-404-5838
NIINs: 004045838, 014534954
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 65485 — AMERICAN CARBIDE TOOL CO (USA)
SPECIFICATIONS
end_item_identificationMAURY CLASS TAGS-39
NSN3455-00-404-5838
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER BIT,TOOL HOLDER TITLE COMPONENT PN AR6K21 MFR CUTTER BIT,TOOL HOLDER
KEY FEATURES
•
OVERALL THICKNESS: 0.375 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR
•
MATERIAL LOCATION: TIP
•
MATERIAL TYPE FOR WHICH DESIGNED: FERROUS METAL AND NONFERROUS METAL
•
NONDEFINITIVE SPEC/STD DATA: AR STYLE AND 6 SIZE AND -5 CLASS
•
EDGE TYPE: RIGHT HAND TURNING
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.375 INCHES NOMINAL IN
SHAPERECTANGULAR
OVERALL LENGTH2.500 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIAL LOCATIONTIP
MATERIAL TYPE FOR WHICH DESIGNEDFERROUS METAL AND NONFERROUS METAL
NONDEFINITIVE SPEC/STD DATAAR STYLE AND 6 SIZE AND -5 CLASS
EDGE TYPERIGHT HAND TURNING
UNABLE TO DECODEUNABLE TO DECODE
MATERIALCARBIDE
SUBSTITUTES & CROSS-REFERENCES 8
383-0035Reference document
Same NSN cross-reference
Reference document — Secondary reference
4110/AR-6/370Reference document
Same NSN cross-reference
Reference document — Secondary reference
AR-6/434Reference document
Same NSN cross-reference
Reference document — Secondary reference
AR6-78BReference document
Same NSN cross-reference
Reference document — Secondary reference
ANSI B212.1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
87-623Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AR6K21?
AR6K21 is a CUTTER BIT,TOOL HOLDER.
What parts can replace AR6K21?
There are 8 known substitutes for AR6K21: 383-0035, 4110/AR-6/370, AR-6/434 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AR6K21?
AR6K21 is cataloged in the U.S. Government catalog under NSN 3455-00-404-5838. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.