NSN 4820-01-025-5953
Part Details | RUPTURABLE DISK
4820-01-025-5953 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.
Alternate Parts: 77NND012, 77-NND-012, 4820-01-025-5953, 01-025-5953, 4820010255953, 010255953
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | AUG 05, 1976 | 01-025-5953 | 27850 ( DISK, RUPTURABLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-025-5953
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 77-NND-012 | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
Technical Data | NSN 4820-01-025-5953
| Characteristic | Specifications |
|---|---|
| DISK MATERIAL | NICKEL ALLOY |
| CROSS-SECTIONAL SHAPE | CONCAVE |
| DISK SIZE | 20.750 INCHES |
| SPECIAL FEATURES | THICKNESS:0.020 IN.MIN,0.030 IN.MAX |