The 1-5745967-4 is a 25-way 2-row front metal-shell D-sub Receptacle with gold-plated phosphor bronze contacts and fixed zinc female screwlocks. The Amplimite HD-20 series straight posted receptacle comes with black polyester housing, tin-plated carbon steel shell, brass inserts and tin-plated solder tail. All receptacles are preloaded with size 20 DF posted socket contacts. Connectors are intermateable with any size 20 subminiature D connectors dimensionally complying with MIL-C-24308. UL94V-0 Flammability rating Vertical PCB mounting orientation Shielded Applications Industrial, Computers & Computer Peripherals