NSN 4820-01-256-3582 Z02RV04A280S, 524A4D28, 524A-4D-28
Product Details | SAFETY RELIEF VALVE
4820-01-256-3582 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: Z02RV04A280S, 524A4D28, 524A-4D-28, 412732, 4820-01-256-3582, 01-256-3582, 4820012563582, 012563582
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 04 JUN 1987 | 01-256-3582 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-256-3582
Demand History | NSN 4820-01-256-3582
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 524A-4D-28 | 2019-04-119 | 16 | DIBBS |
| Z02RV04A280S | 2019-04-119 | 16 | DIBBS |
| 524A-4D-28 | 2019-04-108 | 16 | DIBBS |
| Z02RV04A280S | 2019-04-108 | 16 | DIBBS |
| 524A-4D-28 | 2019-02-42 | 16 | DIBBS |
| Z02RV04A280S | 2019-02-42 | 16 | DIBBS |
| 524A-4D-28 | 2019-01-31 | 16 | DIBBS |
| Z02RV04A280S | 2019-01-31 | 16 | DIBBS |
| 4820-01-256-3582 | 2013-02-32 | 16 | DIBBS |
| 4820-01-256-3582 | 2011-12-342 | 2 | DIBBS |
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Technical Data | NSN 4820-01-256-3582
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY |
| STYLE DESIGNATOR | C4 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE CARBON DIOXIDE 2ND RESPONSE HELIUM 3RD RESPONSE HYDROGEN 4TH RESPONSE NITROGEN, GASEOUS 5TH RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | -100.0 DEG FAHRENHEIT 1ST RESPONSE 400.0 DEG FAHRENHEIT 2ND RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G46A PLAIN ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| OPENING PRESSURE SETTING | 28.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-256-3582
| 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 | 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 |