NSN 4820-00-797-2480 BAMAA04MGG, E8530G41M, 20212GM41M
Product Details | SAFETY RELIEF VALVE
4820-00-797-2480 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: BAMAA04MGG, E8530G41M, 20212GM41M, 4820-00-797-2480, 00-797-2480, 4820007972480, 007972480
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-797-2480 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-797-2480
Demand History | NSN 4820-00-797-2480
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 20212GM41M | 2025-09-245 | 1 | DIBBS |
| BAMAA04MGG | 2025-09-245 | 1 | DIBBS |
| E8530G41M | 2025-09-245 | 1 | DIBBS |
| 20212GM41M | 2025-08-233 | 1 | DIBBS |
| BAMAA04MGG | 2025-08-233 | 1 | DIBBS |
| E8530G41M | 2025-08-233 | 1 | DIBBS |
| 20212GM41M | 2024-11-319 | 1 | DIBBS |
| BAMAA04MGG | 2024-11-319 | 1 | DIBBS |
| E8530G41M | 2024-11-319 | 1 | DIBBS |
| 20212GM41M | 2024-04-116 | 1 | DIBBS |
| BAMAA04MGG | 2024-04-116 | 1 | DIBBS |
| E8530G41M | 2024-04-116 | 1 | DIBBS |
| 20212GM41M | 2024-03-74 | 1 | DIBBS |
| BAMAA04MGG | 2024-03-74 | 1 | DIBBS |
| E8530G41M | 2024-03-74 | 1 | DIBBS |
| 20212GM41M | 2023-10-278 | 2 | DIBBS |
| BAMAA04MGG | 2023-10-278 | 2 | DIBBS |
| E8530G41M | 2023-10-278 | 2 | DIBBS |
| 20212GM41M | 2022-06-172 | 1 | DIBBS |
| BAMAA04MGG | 2022-06-172 | 1 | DIBBS |
| E8530G41M | 2022-06-172 | 1 | DIBBS |
| 20212GM41M | 2022-06-160 | 1 | DIBBS |
| BAMAA04MGG | 2022-06-160 | 1 | DIBBS |
| E8530G41M | 2022-06-160 | 1 | DIBBS |
| 20212GM41M | 2020-03-75 | 1 | DIBBS |
| BAMAA04MGG | 2020-03-75 | 1 | DIBBS |
| E8530G41M | 2020-03-75 | 1 | DIBBS |
| 4820-00-797-2480 | 2018-06-172 | 2 | DIBBS |
| 4820-00-797-2480 | 2016-11-320 | 3 | DIBBS |
| 4820-00-797-2480 | 2016-08-228 | 3 | DIBBS |
| 4820-00-797-2480 | 2016-06-174 | 2 | DIBBS |
Cross Reference | NSN 4820-00-797-2480
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20212GM41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20212GM41M | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| BAMAA04MGG | 5P967 | DANTE VALVE COMPANY INC |
| BAMAA04MGG | 65079 | DANCO VALVE COMPANY |
| E8530G41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| E8530G41M | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
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Related Products | NSN 4820-00-797-2480
Technical Data | NSN 4820-00-797-2480
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 922 BODY NICKEL ALLOY 400 OR NICKEL ALLOY R-405 FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY 400 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 QQ-N-288,COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT ASTM B164-61,CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G30B SOCKET WITH BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 35.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 35.0 TO 44.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 BRAZING RING AND 1 TAILPIECE |
Restrictions/Controls & Freight Information | NSN 4820-00-797-2480
| 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 | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| 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 4820-00-797-2480
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 |