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 5910-00-078-9208
NSN 6320-01-462-2295
NSN 5985-01-472-7540
NSN 5930-01-580-7768
NSN 5855-01-582-3181
NSN 6110-01-267-1537
NSN 5935-00-815-4722
NSN 5950-01-594-3131
NSN 6650-00-098-6128
NSN 4140-01-023-1537
NSN 6645-00-997-8645
NSN 5920-01-528-7717