The MMS series from Samtec are Tiger Claw socket strips. These through hole socket strips mates with Samtec TMMH, TMM, MTMM, MMT, TW, LTMM, ZLTMM, TCMD and TSH series connectors.
Pitch spacing is 2mm (2 to 40 contacts per row)
Single row vertical mounting socket strip
High operating temperature range of -55°C to 125°C for 10μ" gold plated contacts
Black liquid crystal polymer insulator material
Contact material is phosphor bronze
Contact resistance is 10mohm
Tiger Claw contact system
Complies with UL E111594 and CSA 090871_0_000 standards