The ST423E is a the manufacturer industrial component. Key specifications include special_features: KEEPS TENSION ON THROW LEVER; MANUFACTURERS ITEM NAME: BELLVILLE SPRING; EIGHT SPINGS PER MOUNT, style_designator: SPRING TENSION, end_item_identification: A.R.M.S ITEM 19A OR 19ACOG THROW LEVER MOUNTS A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-140-8914, 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.