Special Features:

Brass; chrome plated; hex head 0.375 in. Across flats; two 0.086 in. Dia. Exhaust holes in head; cored body; 0.223 in id; 0.556 in. Dp; ext thd 0.375 unf r-h unf thd; 0.596 in. O/a h

Properties:

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.