Swagelok SS-600-1-4ST gaugeable 316 stainless steel tube fitting — male connector, 3/8 in. tube OD x 7/16-20 male SAE/MS straight thread. Body in 316 stainless steel with the Swagelok two-ferrule (front-ferrule/back-ferrule) mechanical-grip tube end for a gaugeable, leak-tight connection on instrumentation and fluid-system tubing. The straight-thread port end seals on an O-ring boss per SAE J1926/MS16142, giving an adjustable, repeatable seal independent of thread engagement. End connections: 3/8 in. Swagelok tube fitting x 7/16-20 male SAE/MS straight thread. Bored through: Yes. Supplied with Standard Cleaning and Packaging (SC-10). Working pressure and temperature ratings are set by the selected tubing per Swagelok catalog MS-01-140; use with correspondingly sized, fully annealed 316/316L stainless steel tubing.