- Model: FIRST AID KIT - Material: Plastic US Military Surplus, Okinawa This is a general-purpose first aid kit (medical kit) from the US military (American military). It's also good for storing small items or seasonings during camping and outdoor activities. Product Information: Product Name: FIRST AID KIT GENERAL PURPOSE (General Purpose First Aid Kit) NSN (National Stock Number): 6545-00-116-1410 Manufacturing Year: "PIRES 7/80" is written on the top, which likely indicates manufacture in July 1980. Purpose: Used for first aid to the injured as basic equipment on various military aircraft and ships. Features: Made of durable hard plastic, the waterproof case is designed to protect the contents from moisture and impact.