NSN 4820-01-273-3639 118 40T70PSI1-1/2IN1665 PL1841, 11840T70PSI112IN1665PL1841, 1665
Product Details | SAFETY RELIEF VALVE
4820-01-273-3639 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: 118 40T70PSI1-1/2IN1665 PL1841, 11840T70PSI112IN1665PL1841, 1665, 4820-01-273-3639, 01-273-3639, 4820012733639, 012733639
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01-273-3639 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-273-3639
Demand History | NSN 4820-01-273-3639
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1665 | 2023-12-335 | 5 | CN |
| 1665 | 2016-02-55 | 100 | China |
| 1665 | 2015-10-283 | 97 | |
| 1665 | 2015-07-209 | 55 | AE |
| 1665 | 2015-06-155 | 63 | |
| 1665 | 2015-06-155 | 34 | |
| 1665 | 2015-05-142 | 34 | |
| 1665 | 2015-05-136 | 34 | |
| 1665 | 2012-03-66 | 50 | BH |
Cross Reference | NSN 4820-01-273-3639
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Technical Data | NSN 4820-01-273-3639
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| 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 ALL ENDS |
| NOMINAL THREAD SIZE | 1.500 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| RENEWABLE SEAT RING TYPE | BOLTED |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 40.0 TO 70.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-273-3639
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||