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189305 — CUTTER,MILLING,WOODRUFF KEYSEAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

189305: CUTTER,MILLING,WOODRUFF KEYSEAT.

CUTTER,MILLING,WOODRUFF KEYSEAT. Key specifications include diameter: 0.281 INCHES NOMINAL IN, material: STEEL, thickness: 0.500 INCHES NOMINAL IN, cut_length: 0.562 INCHES NOMINAL IN, drive_type: SHANK, face_width: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-189-9143, 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
189305
NSN: 3455-00-189-9143
NIINs: 001899143, 015049178
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 01713 — ALVORD-POLK, INC. DBA ALVORD-POLK TOOL COMPANY DIV ALVORD-POLK TOOL (USA)
SPECIFICATIONS
diameter0.281 INCHES NOMINAL IN
materialSTEEL
thickness0.500 INCHES NOMINAL IN
cut_length0.562 INCHES NOMINAL IN
drive_typeSHANK
face_width0.375 INCHES NOMINAL IN
shank_typeWELDON
tooth_typeINTEGRAL
cutter_typeFINISHING
design_formDOUBLE END
design_typeRANGE
angle_in_deg45.000
NSN3455-00-189-9143
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,WOODRUFF KEYSEAT TITLE COMPONENT PN 189305 MFR CUTTER,MILLING,WOODRUF
SUBSTITUTES & CROSS-REFERENCES 7
ASME B94.19Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
53410Reference document
Same NSN cross-reference
Reference document — Secondary reference
8009Reference document
Same NSN cross-reference
Reference document — Secondary reference
28-393Reference document
Same NSN cross-reference
Reference document — Secondary reference
1321-0305Reference document
Same NSN cross-reference
Reference document — Secondary reference
305Reference 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 189305?
189305 is a CUTTER,MILLING,WOODRUFF KEYSEAT.
What parts can replace 189305?
There are 7 known substitutes for 189305: ASME B94.19, 53410, 8009 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 189305?
189305 is cataloged in the U.S. Government catalog under NSN 3455-00-189-9143. 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.