MIL-DTL-13791 Distributor, Ignition System: Integral Coil, Waterproof 24 VoltThis specification covers waterproof ignition distributor assemblies with integral ignition coil and authorized repair parts. These ignition distributor assemblies are designed to operate in 24 volt \(V\) direct current \(dc\) electrical systems and are of breaker point or breakerless design. Ignition distributor assemblies should be referred to herein as "distributors".