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 5965-01-497-5961
NSN 5960-00-413-2695
NSN 6620-01-476-4567
NSN 5965-01-398-9579
NSN 5990-01-272-4091
NSN 4140-01-025-9699
NSN 6650-01-391-4461
NSN 6145-01-279-8774
NSN 5925-01-595-9348
NSN 5895-00-850-8838
NSN 6110-00-119-6216
NSN 5895-01-143-4601