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 6320-00-857-4073
NSN 5925-01-542-9068
NSN 5950-01-381-3959
NSN 6110-00-485-6249
NSN 2925-01-239-6044
NSN 5925-01-350-4295
NSN 5996-00-127-8824
NSN 5855-01-295-2313
NSN 5965-01-238-0488
NSN 5920-01-085-5490
NSN 4140-01-507-4176
NSN 5950-01-248-9578