NSN 4820-01-256-8731
Part Details | RUPTURABLE DISK
4820-01-256-8731 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: D10492, D-1049-2, D10492CP, D-1049-2CP, 4820-01-256-8731, 01-256-8731, 4820012568731, 012568731
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 09, 1987 | 01-256-8731 | 27850 ( DISK, RUPTURABLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-256-8731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| D-1049-2 | 06370 | FIKE CORPORATION |
| D-1049-2CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
Technical Data | NSN 4820-01-256-8731
| Characteristic | Specifications |
|---|---|
| BURST PRESSURE | 4000.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| CRITICALITY CODE JUSTIFICATION | ZZZY |