Product number:

O 39X4 FKM

Sizes:

39X4

Catalog:

Catalog #1: https://ecatalog.fst.com/seals/all/o-rings/or-dhh/67010548/dichtomatik-o-ring-80-fkm-fp809402-black-39-x-4-mm-iso-3601-bn-att-a/?categorypage=292