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 5945-00-011-1246
NSN 6685-01-577-9681
NSN 6150-01-531-5728
NSN 6610-00-988-9294
NSN 5965-01-155-8766
NSN 6110-00-449-8403
NSN 5905-01-290-1903
NSN 6645-00-349-9336
NSN 6240-00-177-0385
NSN 5855-01-648-2674
NSN 6130-01-307-6434
NSN 6645-00-255-1369