nuts › self-locking hexagon nuts
MS21045C4S
Military Standard Locking Hexagon Nut Self
Description
MS21045 series nut, self-locking
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21045C4S. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error