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 6110-00-905-6148
NSN 5920-01-371-9213
NSN 6130-01-272-3117
NSN 5998-01-361-9290
NSN 6620-01-091-9697
NSN 6135-01-296-1860
NSN 5985-01-261-6468
NSN 5935-01-468-0713
NSN 6620-00-185-1671
NSN 5835-01-390-4667
NSN 5945-01-525-2918
NSN 5855-00-301-1176