NSN 4820-00-591-5331 RV51164, RV51-164, 12C506M1
Product Details | SAFETY RELIEF VALVE
4820-00-591-5331 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: RV51164, RV51-164, 12C506M1, 4820-00-591-5331, 00-591-5331, 4820005915331, 005915331
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 03 JAN 1975 | 00-591-5331 | 05488 ( VALVE, SAFETY RELIEF ) |
Demand History | NSN 4820-00-591-5331
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-591-5331 | 2025-05-150 | 4 | United States |
| 4820-00-591-5331 | 2023-08-215 | 23 | DIBBS |
| 4820-00-591-5331 | 2022-10-277 | 19 | DIBBS |
| 4820-00-591-5331 | 2022-09-265 | 19 | DIBBS |
| 4820-00-591-5331 | 2022-01-25 | 2 | DIBBS |
| 4820-00-591-5331 | 2022-01-13 | 2 | DIBBS |
| 4820-00-591-5331 | 2022-01-10 | 2 | DIBBS |
| 4820-00-591-5331 | 2021-12-362 | 2 | DIBBS |
| 4820-00-591-5331 | 2021-08-234 | 2 | PK |
| 12C506M1 | 2021-08-223 | 2 | US |
| 4820-00-591-5331 | 2017-08-240 | 2 | United States |
| 4820-00-591-5331 | 2017-02-33 | 16 | DIBBS |
| 4820-00-591-5331 | 2016-09-251 | 25 | DIBBS |
| 4820-00-591-5331 | 2015-07-186 | 31 | DIBBS |
| 4820-00-591-5331 | 2014-10-303 | 24 | DIBBS |
| 4820-00-591-5331 | 2014-09-271 | 16 | DIBBS |
| 4820-00-591-5331 | 2014-07-204 | 54 | DIBBS |
| 12C506M1 | 2006-10-295 | 2 | United Arab Emirates |
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Related Products | NSN 4820-00-591-5331
Technical Data | NSN 4820-00-591-5331
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT |
| STYLE DESIGNATOR | C6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| VALVE DISCHARGE FLOW RATE | 10.0 GALLONS PER MINUTE |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | G46B PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END 0.500 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | WITH SCREEN,COPPER 22 BY 22 MESH,0.015 IN. DIA WIRE,SOLDERED ON MALE END |
| MANUFACTURERS CODE | 98437 |
| DESIGN CONTROL REFERENCE | 12C506M1 |
Restrictions/Controls & Freight Information | NSN 4820-00-591-5331
| 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 | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | SE | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-00-591-5331
| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Price Validation | N | The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
|
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | ZR | SU:407L TACTICAL AIR CONTROL SYSTEM 485L TACTICAL AIR CONTROL SYSTEM IMPROVEMENTS (TACSI) |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| 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 | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



