NSN 4820-00-851-0158 VAL1123, 1123, 00-851-0158
Product Details | SAFETY RELIEF VALVE
4820-00-851-0158 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: VAL1123, 1123, 4820-00-851-0158, 00-851-0158, 4820008510158, 008510158
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 11 JAN 1967 | 00-851-0158 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-851-0158
Demand History | NSN 4820-00-851-0158
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1123 | 2016-03-91 | 1 | France |
| 1123 | 2016-03-74 | 1 | France |
| 1123 | 2016-03-74 | 1 | France |
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Related Products | NSN 4820-00-851-0158
Technical Data | NSN 4820-00-851-0158
| Characteristic | Specifications |
|---|---|
| MATERIAL | IRON CAST BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT COPPER ALLOY STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 200.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| NOMINAL OUTSIDE DIAMETER | 8.000 INCHES 1ST END |
| BOLT HOLE QUANTITY | 8 1ST END |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END |
| BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 4.250 INCHES 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 2ND END |
| NOMINAL THREAD SIZE | 3.000 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 8 2ND END |
| THREAD DIRECTION | RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 23.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 10.0 TO 300.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY NOMINAL OPENING SIZE,THD AND PIPE SIZE,AND OPENING PRESSURE SETTING |
| MANUFACTURERS CODE | 14959 |
| DESIGN CONTROL REFERENCE | 1123 |
Restrictions/Controls & Freight Information | NSN 4820-00-851-0158
| Category | Code | Description |
|---|---|---|
| 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. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| 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 | ||