MS27505E25B35SB is a high-performance MIL-DTL-38999 Series I connector designed for demanding military and aerospace applications. Featuring a rugged aluminum shell with a durable electroless nickel or cadmium olive drab finish, this back panel box mounting receptacle ensures reliable performance in harsh environments. With 128 gold-plated removable crimp contacts (size 22D), it offers excellent conductivity and mating integrity. Rated for operating temperatures ranging from -65°C to 175°C, and boasting a service rating of M, this connector is suitable for a wide range of mission-critical tasks. Its bayonet coupling mechanism ensures secure and easy mating, while its environment-resistant design, with a B keyway polarization, provides added reliability. RoHS non-compliant.