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 5975-00-168-0392
NSN 5975-01-167-7952
NSN 6105-00-849-7905
NSN 6610-01-453-9295
NSN 6610-01-199-0499
NSN 5945-00-959-6309
NSN 6135-00-451-0709
NSN 6105-01-605-3555
NSN 6110-01-056-4964
NSN 5950-01-111-9538
NSN 5999-01-109-3509
NSN 5905-01-256-9714