NSN 4820-00-270-0681 7720030102, 7720030-102, 00-270-0681
Product Details | SAFETY RELIEF VALVE
4820-00-270-0681 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: 7720030102, 7720030-102, 4820-00-270-0681, 00-270-0681, 4820002700681, 002700681
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 28 JUL 1973 | 00-270-0681 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-270-0681
Cross Reference | NSN 4820-00-270-0681
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7720030-102 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
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Technical Data | NSN 4820-00-270-0681
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| NOMINAL OUTSIDE DIAMETER | 3.250 INCHES 2ND END |
| BOLT HOLE QUANTITY | 6 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 0.190 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 2.875 INCHES 2ND END |
| FLANGE FACE DESIGN | PLAIN 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| FEATURES PROVIDED | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 92003 |
| DESIGN CONTROL REFERENCE | 7720030-102 |
Restrictions/Controls & Freight Information | NSN 4820-00-270-0681
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | S | 60 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 743 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| 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 |