PartsTable
Technical Data Sheet
Download PDF

18940-4 — CUTTER,MILLING,WOODRUFF KEYSEAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

18940-4: CUTTER,MILLING,WOODRUFF KEYSEAT.

CUTTER,MILLING,WOODRUFF KEYSEAT. Key specifications include width: 5.6666 FEET NOMINAL FT, body_style: RECTANGULAR SHAPE, body_width: 1.299 INCHES NOMINAL IN, head_style: FLAT CHAMFER, body_height: 1.062 INCHES NOMINAL IN, body_length: 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-243-2167, 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
18940-4
NSN: 3455-00-243-2167
NIINs: 002432167, 010039712, 014457212
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 01713 — ALVORD-POLK, INC. DBA ALVORD-POLK TOOL COMPANY DIV ALVORD-POLK TOOL (USA)
SPECIFICATIONS
width5.6666 FEET NOMINAL FT
body_styleRECTANGULAR SHAPE
body_width1.299 INCHES NOMINAL IN
head_styleFLAT CHAMFER
body_height1.062 INCHES NOMINAL IN
body_length0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
head_height0.185 INCHES NOMINAL IN
thread_class3A A
head_diameter0.500 INCHES NOMINAL IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity2
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
NSN3455-00-243-2167
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,WOODRUFF KEYSEAT TITLE COMPONENT PN 18940-4 MFR CUTTER,MILLING,WOODRUF
SUBSTITUTES & CROSS-REFERENCES 8
53409Reference document
Same NSN cross-reference
Reference document — Secondary reference
45488Reference document
Same NSN cross-reference
Reference document — Secondary reference
K600-404Reference document
Same NSN cross-reference
Reference document — Secondary reference
717-004261Reference document
Same NSN cross-reference
Reference document — Secondary reference
KSC404Reference document
Same NSN cross-reference
Reference document — Secondary reference
1321-0404Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 18940-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 18940-4?
18940-4 is a CUTTER,MILLING,WOODRUFF KEYSEAT.
What parts can replace 18940-4?
There are 8 known substitutes for 18940-4: 53409, 45488, K600-404 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18940-4?
18940-4 is cataloged in the U.S. Government catalog under NSN 3455-00-243-2167. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 18940-4

✓ 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.