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 5996-01-565-0419
NSN 2925-00-441-8252
NSN 6135-01-610-7335
NSN 5996-01-209-9064
NSN 5925-01-246-3703
NSN 6110-01-286-7546
NSN 5910-01-443-3625
NSN 5910-01-454-6646
NSN 4140-01-023-1537
NSN 5990-01-490-5614
NSN 5975-01-146-0148
NSN 5950-00-052-1018