Swagelok SS-4-HPST is a high-performance pipe fitting designed as a hollow hex plug for secure system closure. Constructed from 316 stainless steel, it features a 7/16-20 male SAE/MS straight thread connection. This component is specifically engineered to provide a compact and flush-sealing solution for unused ports, making it an ideal choice for applications with limited space and pressure-rated requirements.

Hollow Hex Plugs

These plugs offer a specialized sealing solution for industrial fluid systems:

• Compact Design: The hollow hex internal drive allows for flush installation within the port, saving critical space in tight manifolds and assemblies.
• Pressure Rated: Designed for reliable performance in pressure-rated system closures.
• Material Integrity: Manufactured from 316 stainless steel to ensure corrosion resistance and long-term durability.

Specifications

Attribute	Detail
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	7/16-20 in.
Connection 1 Type	Male SAE/MS Straight Thread
Flow Restrictor	No
eClass (10.1)	37020517
UNSPSC (11.0501)	40142313

System Selection

When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, and adequate ratings are the responsibilities of the system designer and user.