NSN 4820-01-491-4870
Part Details | RUPTURABLE DISK
4820-01-491-4870 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: 555235CE, 555-235-CE, 5525235CE, 5525-235-CE, 5525235, 5525-235, 426L64130M00 ITEM 20, 426L64130-M00 ITEM 20, 268L64397M00, 268L64397-M00, 4820-01-491-4870, 01-491-4870, 4820014914870, 014914870
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 23, 2001 | 01-491-4870 | 27850 ( DISK, RUPTURABLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-491-4870
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 555-235-CE | 28193 | HENRY TECHNOLOGIES INC. |
| 5525-235-CE | 28193 | HENRY TECHNOLOGIES INC. |
| 5525-235 | 28193 | HENRY TECHNOLOGIES INC. |
| 426L64130-M00 ITEM 20 | U2692 | JOHNSON CONTROLS LTD YORK NAVY SYSTES |
| 268L64397-M00 | U2692 | JOHNSON CONTROLS LTD YORK NAVY SYSTES |
Technical Data | NSN 4820-01-491-4870
| Characteristic | Specifications |
|---|---|
| DISK MATERIAL | COPPER |
| DISK TYPE | SOLID |
| DISK SIZE | 0.500 INCHES |
| BURST PRESSURE | 235.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| BURST TEMPERATURE | 72.0 DEG FAHRENHEIT |
| FEATURES PROVIDED | NONFRAGMENTING |
| END ITEM IDENTIFICATION | COLD AND COOL ROOM PLANT |