3/8" x 3-1/2" Nipple Black

This 3/8″ × 3-1/2″ black steel nipple is a welded, Schedule 40 pipe connector made from carbon steel. It features male-to-male NPT threading on both ends, making it ideal for use in gas lines, fire suppression systems, and general industrial or plumbing installations. Its black finish helps resist surface oxidation, and it meets common threading standards for compatibility.

Key Features

• Schedule 40 Construction: Reliable strength for pressure and industrial use.

• Welded Black Steel: Durable, with a black varnish coating to protect against oxidation.

• Male NPT Thread on Both Ends: Compatible with other NPT-threaded fittings. 

• Wide Temperature Range: Suitable for temperatures from very cold (–200°F) up to 150°F.

• Standards-Compliant: Meets ASTM A-53 and A-733 plus ANSI B1.20.1 threading.