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 6135-01-074-8220
NSN 5915-00-411-3650
NSN 6320-01-431-4359
NSN 6320-01-543-1194
NSN 6105-01-527-7114
NSN 6685-01-096-8259
NSN 5925-01-580-3255
NSN 5975-01-416-9385
NSN 2925-01-250-2731
NSN 5965-01-022-3298
NSN 6685-00-322-9260