Stainless Steel Swagelok Tube Fitting, Bulkhead Male Connector, 3/8 in. Tube OD x 1/2 in. Male NPT | Bulkheads | Tube Fittings and Adapters | Fittings | All Products | Swagelok
Bulkhead Stud, 6mm Delron/Viton, SS (BHS-6MSS): Bulkhead Connectors | Racetronix