M998 A/C VENTILATOR 01-05133, 2540-01-460-4957 NOS PART NUMBER: 01-05133 NSN: 2540-01-460-4957 NOS M998 A/C Ventilator, Part Number 01-05133, NSN 2540-01-460-4957. This OEM military air conditioning ventilator is designed for use on M998 Humvee vehicles and serves as an important component of the vehicle's climate control and ventilation system. The ventilator helps direct and circulate conditioned air throughout the vehicle interior, contributing to occupant comfort and improved airflow during operation in a variety of environmental conditions. This item is New Old Stock (NOS) military surplus and has never been installed. Manufactured to military specifications, this A/C ventilator is engineered for durability and dependable performance in demanding military environments. It is ideal for military vehicle maintenance, restoration projects, fleet support, and replacement of damaged, worn, or malfunctioning climate control components. Part Number 01-05133 and NSN 2540-01-460-4957 are commonly searched by military maintenance facilities, government agencies, military vehicle collectors, and restoration specialists seeking genuine OEM M998 Humvee replacement parts. Using authentic military HVAC components helps ensure proper fit, airflow performance, and preservation of the vehicle's original military configuration. Equipment Parts Sales has been supplying military surplus and OEM military vehicle parts for over 25 years. We stock thousands of NOS military vehicle components, including M998 Humvee, MRAP, MaxxPro, M-ATV, FMTV, M939, M151, HEMTT, and 5-Ton truck parts ready for shipment. Our inventory includes HVAC components, A/C vents, ventilation assemblies, cooling system parts, electrical components, and hard-to-find military vehicle replacement parts. Keywords: 01-05133, 2540-01-460-4957, M998 A/C ventilator, Humvee air conditioning vent, military vehicle HVAC component, OEM military ventilation assembly, M998 climate control part, military vehicle air vent, Humvee HVAC system component, military surplus vehicle parts, NOS military surplus parts, Humvee restoration parts, military vehicle maintenance parts.