NSN 4820-00-858-0502 219815, 31117, 66827611
Product Details | SAFETY RELIEF VALVE
4820-00-858-0502 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: 219815, 31117, 66827611, 668276-11, 4820-00-858-0502, 00-858-0502, 4820008580502, 008580502
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-858-0502 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-858-0502
Demand History | NSN 4820-00-858-0502
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 219815 | 2023-05-128 | 7 | DIBBS |
| 219815 | 2023-04-117 | 7 | DIBBS |
| 219815 | 2021-11-330 | 1 | DIBBS |
| 219815 | 2021-11-319 | 1 | DIBBS |
| 4820-00-858-0502 | 2016-10-279 | 6 | DIBBS |
| 4820-00-858-0502 | 2016-04-110 | 3 | DIBBS |
| 4820-00-858-0502 | 2015-10-277 | 3 | DIBBS |
| 4820-00-858-0502 | 2013-07-185 | 10 | DIBBS |
| 4820-00-858-0502 | 2013-02-32 | 5 | DIBBS |
| 4820-00-858-0502 | 2012-08-244 | 2 | DIBBS |
| 4820-00-858-0502 | 2012-06-174 | 1 | DIBBS |
| 4820-00-858-0502 | 2012-06-158 | 1 | DIBBS |
| 4820-00-858-0502 | 2012-04-96 | 5 | DIBBS |
| 219815 | 2011-11-332 | 1 | |
| 4820-00-858-0502 | 2010-08-216 | 3 | DIBBS |
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Related Products | NSN 4820-00-858-0502
Technical Data | NSN 4820-00-858-0502
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY ALUMINUM ALLOY SEAT |
| STYLE DESIGNATOR | A2 CROSS |
| FLOW CONTROL DEVICE | POPPET |
| MAXIMUM OPERATING PRESSURE | 16.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 65.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END |
| CONNECTION STYLE | G45 FLARELESS 2ND END |
| SEAT ANGLE | 24.0 DEGREES 1ST END 24.0 DEGREES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END 0.500 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UN 3RD END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 3RD END |
| THREAD CLASS | 3A 1ST END 3A 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 12.0 POUNDS PER SQUARE INCH |
| MANUFACTURERS CODE | 99221 |
| DESIGN CONTROL REFERENCE | 219815 |
Restrictions/Controls & Freight Information | NSN 4820-00-858-0502
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||