The SWITCH,TELEPHONE,SELECTOR is a the manufacturer industrial component. Key specifications include special_features: 4 BASE UNIT, STACKABLE, part_name_assigned_by_controlling_agency: SWITCH, TELEPHONE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-01-694-1680, 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.