410
#410 A.N.S.I Offset Link 1/2"x1/8" Quantity (3)
What makes this useful is its model being Various, so it fits many needs at once.
Humphrey, Solenoid Valve, 410, M410 39 81
You will find that MicroLubrol works well with a needle applicator for precision.
#43-1R (410, 65) Roller Chain Non-Standard 10FT Roll with Connecting Link*
The silver tone here is more matte than shiny, which reduces glare under bright lights.