MIL-DTL-23928 Panels, Electrical, Power Distribution And Manual Transfer, Circuit Breaker TypeThis specification covers high-impact \(H.I.\) shockproof and vibration proof, bulkhead mounted electrical power distribution and transfer panels using ALB, NLB, AQB, and NQB circuit breakers for feeder and branch circuit protection and control for alternating current \(ac\) and direct current \(dc\) application on naval ships.