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Technical Data Sheet
PartsTable / COMPONENT / AR-6/K21
AR-6/K21 ✓ 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 AR-6/K21 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) 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
AR-6/K21
NSN: 3455-00-404-5838
FSC: 3455
CAGE: 65485 — AMERICAN CARBIDE TOOL CO (USA)
SPECIFICATIONS
Part NumberAR-6/K21
NSN3455-00-404-5838
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AR-6/K21 TITLE COMPONENT PN AR-6/K21 MFR AR-6/K21
KEY FEATURES
•
SHAPE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: AR STYLE AND 6 SIZE AND -5 CLASS
•
MATERIAL: CARBIDE
•
OVERALL THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL LOCATION: TIP
•
UNABLE TO DECODE: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
SHAPERECTANGULAR
NONDEFINITIVE SPEC/STD DATAAR STYLE AND 6 SIZE AND -5 CLASS
MATERIALCARBIDE
OVERALL THICKNESS0.375 INCHES NOMINAL IN
OVERALL LENGTH2.500 INCHES NOMINAL IN
MATERIAL LOCATIONTIP
OVERALL WIDTH0.375 INCHES NOMINAL IN
UNABLE TO DECODEUNABLE TO DECODE
EDGE TYPERIGHT HAND TURNING
MATERIAL TYPE FOR WHICH DESIGNEDFERROUS METAL AND NONFERROUS METAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
87623Interchangeable
interchangeable cross-reference
interchangeable
62135Interchangeable
interchangeable cross-reference
interchangeable
K86-4Interchangeable
interchangeable cross-reference
interchangeable
AR6-C5Interchangeable
interchangeable cross-reference
interchangeable
AR-6 370Interchangeable
interchangeable cross-reference
interchangeable
AR-6/AN6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AR-6/K21?
AR-6/K21 is a AR-6/K21.
What parts can replace AR-6/K21?
There are 13 known substitutes for AR-6/K21: 87623, 62135, K86-4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AR-6/K21?
AR-6/K21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-404-5838. 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