NSN 4820-00-333-7979 1328537036, 1328-537036, 00-333-7979
Product Details | SAFETY RELIEF VALVE
4820-00-333-7979 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: 1328537036, 1328-537036, 4820-00-333-7979, 00-333-7979, 4820003337979, 003337979
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-333-7979 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-333-7979
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Related Products | NSN 4820-00-333-7979
Technical Data | NSN 4820-00-333-7979
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY ALUMINUM ALLOY FLOW CONTROL DEVICE RUBBER SYNTHETIC SEAT ALUMINUM ALLOY STEM |
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | C4 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE OIL, LUBRICATING, DIESTER BASE 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE 230.0 DEG FAHRENHEIT 2ND RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END |
| FLANGE SHAPE | RECTANGULAR WITH HOLES 1ST END |
| NOMINAL THICKNESS | 0.145 INCHES 1ST END |
| NOMINAL LENGTH | 1.062 INCHES 1ST END |
| NOMINAL WIDTH | 1.062 INCHES 1ST END |
| BOLT HOLE QUANTITY | 4 1ST END |
| BOLT HOLE NOMINAL DIAMETER | 0.050 INCHES 1ST END |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 0.812 INCHES 1ST END |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 0.812 INCHES 1ST END |
| FLANGE FACE DESIGN | PLAIN 1ST END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 5.5 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-00-333-7979
| 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 | 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 |
Management | NSN 4820-00-333-7979
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 | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |