4820-00-021-3059 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.
Part Alternates: 15785, 1578-5, 15785CP, 1578-5CP, 15785SC, 1578-5SC, 98504, 98504CP, 4820-00-021-3059, 00-021-3059, 4820000213059, 000213059
Valves | Valves, Nonpowered
| Supply Group (FSG) |
NSN Assign. |
NIIN |
Item Name Code (INC) |
| 48 |
|
00-021-3059 |
27850 ( DISK, RUPTURABLE ) |