NSN 4820-00-269-2620 FR121B1, 00-269-2620, 002692620
Product Details | SAFETY RELIEF VALVE
4820-00-269-2620 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: FR121B1, 4820-00-269-2620, 00-269-2620, 4820002692620, 002692620
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-269-2620 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-269-2620
Cross Reference | NSN 4820-00-269-2620
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FR121B1 | 99251 | CARLETON LIFE SUPPORT SYSTEMS INC. DBA COBHAM MISSION SYSTEM |
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Related Products | NSN 4820-00-269-2620
Technical Data | NSN 4820-00-269-2620
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2014 BODY STEEL CORROSION RESISTING SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| STYLE DESIGNATOR | A7 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 1ST END G46B PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 1ST END 0.125 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 0.125 INCHES 1ST END 0.125 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 27 1ST END 20 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 320.0 TO 370.0 POUNDS PER SQUARE INCH |
| MANUFACTURERS CODE | 99251 |
| DESIGN CONTROL REFERENCE | FR121B1 |
Restrictions/Controls & Freight Information | NSN 4820-00-269-2620
| 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: | U | Precious metal type is unknown |
| 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 | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| 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 |