FS adaptor 1/16", for .4mm OD,Valcon T,pk/5

Nut 10-32 One Piece Black PEEK™ Male for 1/16" OD Tubing, 5/pk

NanoTight Sleeve Green 1/16'' ID x 0,0155'' ID x 1.6'' length, 10 pc/PAK

SS Union 1/16", bore size 0.006"