NSN 4820-01-574-7527 641B-3-1/2-2, 641B3122, 01-574-7527
Product Details | SAFETY RELIEF VALVE
4820-01-574-7527 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: 641B-3-1/2-2, 641B3122, 4820-01-574-7527, 01-574-7527, 4820015747527, 015747527
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 JUN 2009 | 01-574-7527 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-574-7527
Cross Reference | NSN 4820-01-574-7527
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 641B-3-1/2-2 | 18565 | PARKER-HANNIFIN, CORPORATION DBA PARKER CHOMERICS DIV |
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Technical Data | NSN 4820-01-574-7527
| Characteristic | Specifications |
|---|---|
| CONNECTION STYLE | G9 PLAIN,OPTIONAL END(PIPE) 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| STYLE DESIGNATOR | ERR-090 |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| MATERIAL | STEEL COMP 303 BODY |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| THREAD DIRECTION | RIGHT-HAND 2ND END |
| NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |
| MAXIMUM OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| THREAD SERIES DESIGNATOR | NPT 2ND END |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION STYLE | G46B PLAIN (PIPE) 2ND END |
| NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
Restrictions/Controls & Freight Information | NSN 4820-01-574-7527
| 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: | Q | Strategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.” |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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 | ||