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 7035-01-163-3667
NSN 6135-01-074-8220
NSN 5996-01-310-6240
NSN 5990-01-369-3380
NSN 5975-00-947-3068
NSN 5998-01-576-5507
NSN 7035-01-227-2546
NSN 5905-01-634-0595
NSN 7035-00-455-7666
NSN 2925-01-196-6187
NSN 6145-01-236-7644
NSN 5930-01-151-8952