The Navy Weapons Division is a detachment of NSWC IHD. The detachment is located near McAlester, Oklahoma.

Supporting Navy special weapons, the division provides an array of engineering services, technical publication support services, logistics support services, safety program services, and inspection services on assigned weapons systems. The division also provides depot maintenance and repair services on trainers, ancillary support equipment, inert components, and containers, as well as manufactures special purpose support equipment.