NSN 4820-01-197-9770
Part Details | RUPTURABLE DISK
4820-01-197-9770 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: 820050011, 82005001-1, RB904IN700PSI, RB90-4IN-700PSI, CAT 774006, CAT 77-4006, 4820-01-197-9770, 01-197-9770, 4820011979770, 011979770
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 31, 1984 | 01-197-9770 | 27850 ( DISK, RUPTURABLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-197-9770
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 82005001-1 | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
| RB90-4IN-700PSI | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
| CAT 77-4006 | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
Technical Data | NSN 4820-01-197-9770
| Characteristic | Specifications |
|---|---|
| DISK MATERIAL | STEEL CORROSION RESISTING |
| CROSS-SECTIONAL SHAPE | CONCAVE |
| BURST PRESSURE | 700.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |