NSN 4820-01-127-8627 20M1IN, 20M-1IN, 86958RV
Product Details | SAFETY RELIEF VALVE
4820-01-127-8627 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: 20M1IN, 20M-1IN, 86958RV, 8-6958-RV, 4820-01-127-8627, 01-127-8627, 4820011278627, 011278627
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 MAR 1982 | 01-127-8627 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-127-8627
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Technical Data | NSN 4820-01-127-8627
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 300.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 20.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| 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 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 1.000 INCHES 1ST END 1.000 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| RENEWABLE SEAT RING TYPE | RETAINING SCREW |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| OPENING PRESSURE SETTING | 35.0 POUNDS PER SQUARE INCH |
| III END ITEM IDENTIFICATION | CONDENSATE TANK WASTE HEAT RECYCLING SYSTEM P/N VP-CRU-215-HP ONBOARD 270 FT WMEC CLASS COAST GUARD VESSELS |
| MANUFACTURERS CODE | 01343 |
| DESIGN CONTROL REFERENCE | 20M-1IN |
Restrictions/Controls & Freight Information | NSN 4820-01-127-8627
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | ||