NSN 4820-00-840-9141 RD10280H3, 00-840-9141, 008409141
Product Details | SAFETY RELIEF VALVE
4820-00-840-9141 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: RD10280H3, 4820-00-840-9141, 00-840-9141, 4820008409141, 008409141
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-840-9141 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-840-9141
Demand History | NSN 4820-00-840-9141
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-840-9141 | 2015-11-306 | 1 | United States |
| RD10280H3 | 2015-10-292 | 1 | United States |
| RD10280H3 | 2015-10-292 | 2 | United States |
| RD10280H3 | 2015-10-292 | 4 | United States |
| RD10280H3 | 2015-10-292 | 1 | US |
| RD10280H3 | 2015-10-292 | 1 | United States |
| RD10280H3 | 2015-05-139 | 1 | United States |
| 4820-00-840-9141 | 2014-08-217 | 4 | DIBBS |
| 4820-00-840-9141 | 2014-02-58 | 4 | DIBBS |
| 4820-00-840-9141 | 2014-02-41 | 4 | DIBBS |
| 4820-00-840-9141 | 2013-11-324 | 4 | DIBBS |
| 4820-00-840-9141 | 2013-11-308 | 4 | DIBBS |
| 4820-00-840-9141 | 2013-10-274 | 2 | DIBBS |
| 4820-00-840-9141 | 2013-09-252 | 2 | DIBBS |
Cross Reference | NSN 4820-00-840-9141
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| RD10280H3 | 51663 | CRANE CO. DBA LEAR ROMEC |
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Technical Data | NSN 4820-00-840-9141
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY STEEL SEAT ALUMINUM ALLOY STEM |
| STYLE DESIGNATOR | C4 STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 21.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 13.9 CUBIC FEET PER MINUTE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| SEAT ANGLE | 37.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 20 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |
| MANUFACTURERS CODE | 51663 |
| DESIGN CONTROL REFERENCE | RD10280H3 |
Restrictions/Controls & Freight Information | NSN 4820-00-840-9141
| 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: | 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.” |
| 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 | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 |