Materials: the union type safety head is to be of 300 series stainless steel; the disc is to be of aluminum with a polytetrafluoroethylene coating on the atmospheric side
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 5855-00-631-4565
NSN 5950-00-099-9612
NSN 2925-01-273-4898
NSN 5998-01-178-1166
NSN 5975-01-453-4265
NSN 5910-01-633-9963
NSN 5945-01-564-6595
NSN 5835-01-592-2350
NSN 6145-00-420-2177
NSN 5950-00-298-2042
NSN 6130-00-320-3363
NSN 2925-00-800-4685