The 4650-6001 is a 50-way 2-row 0.100 x 0.100-inch Wire-to-board Plug for 0.050-inch pitch cable with gold-plated copper alloy contacts. The 4600 series connector comes with a glass filled polyester (PBT) insulator and accommodates 28/26AWG solid and stranded wire. It has open end cover (daisy chaining/bussing - standard), military polarization (with 3518 polarizing key) for 50 contacts and no mounting flange (RIA E1 & C1 apply). The wiremount plug has been shrouded to protect against physical and chemical pin damage.