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 6110-01-441-9617
NSN 5935-01-617-7361
NSN 6135-01-186-4010
NSN 5965-01-199-8362
NSN 6135-01-111-1495
NSN 5835-01-360-2657
NSN 6135-01-528-6896
NSN 5920-00-840-7974
NSN 5920-00-519-7664
NSN 5950-01-131-1078
NSN 5935-00-214-5351
NSN 6620-00-545-5689