A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5996-00-862-5514
NSN 5895-01-211-4156
NSN 5960-01-278-9394
NSN 6650-00-262-2324
NSN 5996-00-237-5146
NSN 5985-01-483-4049
NSN 6150-01-487-3743
NSN 6145-01-317-2228
NSN 5910-01-301-4803
NSN 6620-01-644-3496
NSN 5915-00-361-1136
NSN 6645-01-142-2416