NSN 4820-01-256-0857
Part Details | RUPTURABLE DISK
4820-01-256-0857 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: MRK4"1100PSIG72DEGF316SST, MRK-4"-1100PSIG/72DEGF-316SST, D3020, 4820-01-256-0857, 01-256-0857, 4820012560857, 012560857
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 31, 1987 | 01-256-0857 | 27850 ( DISK, RUPTURABLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-256-0857
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MRK-4"-1100PSIG/72DEGF-316SST | 06370 | FIKE CORPORATION |
| D3020 | 06370 | FIKE CORPORATION |
Technical Data | NSN 4820-01-256-0857
| Characteristic | Specifications |
|---|---|
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| CRITICALITY CODE JUSTIFICATION | ZZZY |