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 5930-00-344-3106
NSN 5895-00-472-9829
NSN 5985-01-190-1336
NSN 5935-01-549-8105
NSN 5910-00-942-3831
NSN 5920-00-950-4430
NSN 5920-01-400-3562
NSN 6105-00-350-5024
NSN 5895-01-056-4548
NSN 5945-01-456-0888
NSN 6110-01-245-8378
NSN 5985-00-689-9515