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 5915-00-541-5589
NSN 6220-01-038-8292
NSN 5990-00-351-5479
NSN 5910-01-416-4146
NSN 5905-01-523-0087
NSN 5975-01-478-0302
NSN 6645-00-720-3953
NSN 5835-00-372-3736
NSN 5915-01-605-3157
NSN 6145-01-207-3815
NSN 5925-01-087-9755
NSN 5999-01-228-5480