NSN 4820-00-794-1776 769122, 76912-2, 00-794-1776
Product Details | SAFETY RELIEF VALVE
4820-00-794-1776 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: 769122, 76912-2, 4820-00-794-1776, 00-794-1776, 4820007941776, 007941776
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-794-1776 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-794-1776
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Technical Data | NSN 4820-00-794-1776
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 208.0 OR ALUMINUM ALLOY 319.0 OR ALUMINUM ALLOY 328.0 BODY ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE ALUMINUM ALLOY 2024 SEAT ALUMINUM ALLOY 2024 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END THREADED INTERNAL BOSS 2ND END |
| CONNECTION STYLE | G4 GASKET SEAL ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END 0.375 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UNF 1ST END UNF 2ND END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END 0.562 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 18 2ND END |
| THREAD CLASS | 3B 1ST END 3B 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 10.0 TO 200.0 POUNDS PER SQUARE INCH |
| MOUNTING FACILITY | THREADED FASTENER |
| FEATURES PROVIDED | BONNET PACKING |
| MANUFACTURERS CODE | 72352 |
| DESIGN CONTROL REFERENCE | 76912-2 |
Restrictions/Controls & Freight Information | NSN 4820-00-794-1776
| 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 4820-00-794-1776
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 |