NSN 4820-00-289-4384 D28443PC781, D2-8443PC781, D28476PC781
Product Details | SAFETY RELIEF VALVE
4820-00-289-4384 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: D28443PC781, D2-8443PC781, D28476PC781, D2-8476PC781, D28776PC781, D2-8776PC781, D28844781, D2-8844-781, D28854PC781, D2-8854PC781, D28876PC780, D2-8876PC780, PC461S42068PC1T021, PC461S42-068PC1T021, PC461S4206PC781, PC461S42-06PC781, PC461S4231PC781, PC461S42-31PC781, PC578S42146PC781, PC578S42-146PC781, PC578S42251PC781, PC578S42-251PC781, PC578S42263781, PC578S42-263-781, 22773, 22773PC1T021, 4820-00-289-4384, 00-289-4384, 4820002894384, 002894384
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-289-4384 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-289-4384
Cross Reference | NSN 4820-00-289-4384
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 22773 | 14066 | USM CORP SUB OF EMHART INDUSTRIES INC |
| 22773 | 88078 | CASHCO, INC. |
| 22773PC1T021 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
| 22773PC1T021 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D2-8443PC781 | 14066 | USM CORP SUB OF EMHART INDUSTRIES INC |
| D2-8476PC781 | 14066 | USM CORP SUB OF EMHART INDUSTRIES INC |
| D2-8776PC781 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
| D2-8776PC781 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D2-8844-781 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
| D2-8844-781 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D2-8854PC781 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
| D2-8854PC781 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D2-8876PC780 | 14066 | USM CORP SUB OF EMHART INDUSTRIES INC |
| PC461S42-068PC1T021 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| PC461S42-06PC781 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| PC461S42-31PC781 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| PC578S42-146PC781 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| PC578S42-251PC781 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| PC578S42-263-781 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Technical Data | NSN 4820-00-289-4384
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY SEAT |
| STYLE DESIGNATOR | C1 ANGLE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CONNECTION TYPE | FLANGE 1ST END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| NOMINAL OUTSIDE DIAMETER | 5.562 INCHES 1ST END |
| BOLT HOLE QUANTITY | 4 1ST END |
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END |
| BOLT CIRCLE NOMINAL DIAMETER | 4.438 INCHES 1ST END |
| FLANGE FACE DESIGN | PLAIN 1ST END |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 0.0 TO 30.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | DIAPHRAGM OPERATED |
Restrictions/Controls & Freight Information | NSN 4820-00-289-4384
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| 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 |
Management | NSN 4820-00-289-4384
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |