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 6135-00-715-4001
NSN 5985-01-322-8571
NSN 5960-00-455-9218
NSN 6145-00-926-8323
NSN 6135-00-152-8729
NSN 6240-01-146-4839
NSN 5975-01-076-2584
NSN 5945-00-564-6979
NSN 5910-00-943-6710
NSN 6220-01-421-9928
NSN 5985-01-435-8088
NSN 5895-01-198-4515