NSN 4820-01-420-5231 ES9983, ES998301T25, ES9983-01T25
Product Details | SAFETY RELIEF VALVE
4820-01-420-5231 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: ES9983, ES998301T25, ES9983-01T25, 5120TP4TJ25, 5120TP-4TJ-25, 4820-01-420-5231, 01-420-5231, 4820014205231, 014205231
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 19 OCT 1995 | 01-420-5231 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-420-5231
Cross Reference | NSN 4820-01-420-5231
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5120TP-4TJ-25 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS |
| ES9983 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. Use CAGE Code 98255 for cataloging |
| ES9983-01T25 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. Use CAGE Code 98255 for cataloging |
| ES9983-01T25 | 98255 | DRS SUSTAINMENT SYSTEMS, INC. |
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Technical Data | NSN 4820-01-420-5231
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY STEEL CORROSION RESISTING SEAT |
| STYLE DESIGNATOR | C8 STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL TUBE 2ND END |
| CONNECTION STYLE | G42 FLARED 1ST END G4 GASKET SEAL 2ND END |
| SEAT ANGLE | 37.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPTF 2ND END |
| NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH |
| MINIMUM OPERATING TEMP | -100.0 DEG FAHRENHEIT |
| SPECIAL FEATURES | WITH TEFLON SEAL |
| III END ITEM IDENTIFICATION | AIRCRAFT, HERCULES C |
Restrictions/Controls & Freight Information | NSN 4820-01-420-5231
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | AH | Defense Supply Center Columbus Columbus, OH 43215 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |