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PartsTable / COMPONENT / 321-405
321-405 ✓ 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

CUTTER,MILLING,WOODRUFF KEYSEAT. Key specifications include color: BLACK, phase: SINGLE, width: 10.000 INCHES NOMINAL IN, length: 8.000 INCHES NOMINAL IN, cut_type: DIAGONAL OVERALL, diameter: 4.000 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 3455-00-243-2168, 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
321-405
NSN: 3455-00-243-2168
FSC: 3455
CAGE: 1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
colorBLACK
phaseSINGLE
width10.000 INCHES NOMINAL IN
length8.000 INCHES NOMINAL IN
cut_typeDIAGONAL OVERALL
diameter4.000 INCHES NOMINAL IN
materialCOPPER OVERALL EXCEPT INSULATION
quantity1
end_styleDOBBY HOOK BOTH ENDS
body_width0.936 INCHES NOMINAL IN
bore_shapeSTRAIGHT
drive_typeDIRECT
NSN3455-00-243-2168
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,WOODRUFF KEYSEAT TITLE COMPONENT PN 321-405 MFR CUTTER,MILLING,WOODRUF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
B94.19 TABLE 15Interchangeable
interchangeable cross-reference
interchangeable
45484Interchangeable
interchangeable cross-reference
interchangeable
TABLE 15, 303Interchangeable
interchangeable cross-reference
interchangeable
24550Interchangeable
interchangeable cross-reference
interchangeable
342SInterchangeable
interchangeable cross-reference
interchangeable
148346Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321-405?
321-405 is a CUTTER,MILLING,WOODRUFF KEYSEAT.
What parts can replace 321-405?
There are 29 known substitutes for 321-405: B94.19 TABLE 15, 45484, TABLE 15, 303 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 321-405?
321-405 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-243-2168. 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