Swagelok SS-1210-71-12 gaugeable 316 stainless steel tube fitting — bulkhead female connector, 3/4 in. tube OD x 3/4 in. female NPT. 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. End connections: 3/4 in. Swagelok tube fitting x 3/4 in. female NPT. 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.