NSN 4820-01-130-8474 20244, 20244J91SS, 01-130-8474
Product Details | SAFETY RELIEF VALVE
4820-01-130-8474 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: 20244, 20244J91SS, 4820-01-130-8474, 01-130-8474, 4820011308474, 011308474
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 29 APR 1982 | 01-130-8474 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-130-8474
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Related Products | NSN 4820-01-130-8474
Technical Data | NSN 4820-01-130-8474
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL FLOW CONTROL DEVICE STEEL SEAT STEEL COMP 303 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A296,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM A296,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE SEAT ASTM A276,TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | A7A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.375 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES |
| VALVE SIZE | 3.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 7.500 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.688 INCHES ALL ENDS |
| FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 66.0 TO 76.0 POUNDS PER SQUARE INCH |
| III END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN(688) |
Restrictions/Controls & Freight Information | NSN 4820-01-130-8474
| 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 | 671 | 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 4820-01-130-8474
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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |