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 5965-00-009-8679
NSN 6135-01-366-9633
NSN 5935-01-580-0709
NSN 5920-01-401-5315
NSN 6110-01-156-0388
NSN 6620-00-871-0592
NSN 5935-00-263-3641
NSN 5930-01-479-8509
NSN 5990-00-160-1176
NSN 6145-00-887-6395
NSN 5835-00-594-4921
NSN 5985-00-511-4251