NSN 4820-01-050-9076 20303, 20303K51M4, 01-050-9076
Product Details | SAFETY RELIEF VALVE
4820-01-050-9076 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: 20303, 20303K51M4, 4820-01-050-9076, 01-050-9076, 4820010509076, 010509076
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 16 NOV 1977 | 01-050-9076 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-050-9076
Cross Reference | NSN 4820-01-050-9076
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20303 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20303 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| 20303K51M4 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20303K51M4 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
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Related Products | NSN 4820-01-050-9076
Technical Data | NSN 4820-01-050-9076
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY ASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.094 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.094 INCHES |
| VALVE SIZE | 0.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 3.562 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.375 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.500 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 2.375 INCHES ALL ENDS |
| FLANGE FACE DESIGN | PLAIN SWIVEL ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 72.0 POUNDS PER SQUARE INCH |
| III END ITEM IDENTIFICATION | SHIP,OHIO CLASS SSN(TRIDENT) |
Restrictions/Controls & Freight Information | NSN 4820-01-050-9076
| 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: | 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 | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 |
Management | NSN 4820-01-050-9076
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of 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 |
| 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 |