Receptacle Housing, 10 Way - 

51021-1000 is a 51021 series, 10 circuit, single row, 1.25mm Pitch, PicoBlade receptacle crimp housing with friction lock. It mates with 53047 PicoBlade vertical, single row, through hole headers, 53048 PicoBlade right-angle, single row, through hole headers, 53261 PicoBlade right-angle, single row, surface mount headers, 53398 PicoBlade vertical, single row, surface mount headers, 51047 PicoBlade single row plug housings. It is used with 797580006, 797580014, 797581059, 797581060, 797581061 cable assembly, 50058 PicoBlade female crimp terminals, 50079 PicoBlade female crimp terminals, 214920 Pre-Crimped lead PicoBlade female-to-PicoBlade female, 214921 Pre-Crimped lead PicoBlade female-to-pigtail.