CARTRIDGE,RESPIRATOR,AIR FILTERI. Key specifications include special_features: SOLE SOURCE REQUIRED BY STATUTE 6.302; TO BE USED WITH WILLSON 6000 SERIES RESPIRATORS, hazard_protection_feature: ORGANIC VAPOR AND ACID GAS, criticality_code_justification: FEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-268-0556, 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.