NSN 4820-01-290-4906 1856M-0L 1 X 1 1/4 IN, 1856M0L1X114IN, 01-290-4906
Product Details | SAFETY RELIEF VALVE
4820-01-290-4906 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: 1856M-0L 1 X 1 1/4 IN, 1856M0L1X114IN, 4820-01-290-4906, 01-290-4906, 4820012904906, 012904906
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 12-DEC-88 | 01-290-4906 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-290-4906
Cross Reference | NSN 4820-01-290-4906
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1856M-0L 1 X 1 1/4 IN | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION |
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Technical Data | NSN 4820-01-290-4906
| Characteristic | Specifications |
|---|---|
| MATERIAL | BRONZE BODY |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G46B PLAIN 1ST END G9 PLAIN 2ND END |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 1.000 INCHES 1ST END 1.250 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 300.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-290-4906
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||