TE Connectivity Universal MATE-N-LOK Strain Relief ClampsA range of Cable clamps / Strain Relief for Mate-N-Lok Connectors. Each article constitutes half of a cable clamp, it is thus necessary to order two of them to facilitate assembly for a complete clamp. The material for these MATE-N-LOK Strain Relief's is a UL 94V-0 or UL 90V-2 rated Nylon.Stock numbers 680-1903, 710-0090 , 864-9439 are cap housing adapters which anchor the receptacle housing strain reliefs to the housings and prevent distortion of the strain relief when screws are tightened.NoteAssembly requires two self-tapping screws 3.5 x 10 to 3.5 x 16 (these screws are not supplied)TE Connectivity Universal MATE-N-LOK™ Range