NSN 4820-01-463-0271 5159T2MPL420, 01-463-0271, 014630271
Product Details | SAFETY RELIEF VALVE
4820-01-463-0271 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: 5159T2MPL420, 4820-01-463-0271, 01-463-0271, 4820014630271, 014630271
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 02 MAR 1999 | 01-463-0271 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-463-0271
Cross Reference | NSN 4820-01-463-0271
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5159T-2MP(L)-420 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS |
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Technical Data | NSN 4820-01-463-0271
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| STYLE DESIGNATOR | C8 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE ACETYLENE 2ND RESPONSE AMMONIA, GASEOUS 3RD RESPONSE REFRIGERANT 12 4TH RESPONSE HYDROGEN 5TH RESPONSE |
| MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE 250.0 DEG FAHRENHEIT 2ND 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 |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END 0.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 0.250 INCHES 1ST END 0.250 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 420.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | LOCKWIRE SPECIAL CHARACTERISTIC (L) |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | 5100 SERIES RELIEF VALVE |
Restrictions/Controls & Freight Information | NSN 4820-01-463-0271
| 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. |
| 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 | ||