NSN 4820-00-202-8221 BB55S47102PC373, BB55S47-102PC373, BB55S47103PC373
Product Details | SAFETY RELIEF VALVE
4820-00-202-8221 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: BB55S47102PC373, BB55S47-102PC373, BB55S47103PC373, BB55S47-103PC373, C25551DPC373, C2555-1DPC373, C25552DPC373, C2555-2DPC373, C34561PC162, C3456-1PC162, C34568PC162, C3456-8PC162, C34571PC162, C3457-1PC162, C35911PC162, C3591-1PC162, C35918PC162, C3591-8PC162, C35931PC173, C3593-1PC173, C35932PC173, C3593-2PC173, CA122S5505179253PC501T0506, CA122S5505-179253PC501T0506, CA68S5505101ALT2PC501T0506, CA68S5505-101ALT2PC501T0506, CA68S5505102ALT1PC501T0506, CA68S5505-102ALT1PC501T0506, CA68S5505105ALT2PC162, CA68S5505-105ALT2PC162, CA68S5505111ALT2PC162, CA68S5505-111ALT2PC162, CA68S5505125PC173, CA68S5505-125PC173, CA68S5505126PC173, CA68S5505-126PC173, CA68S550593ALT3PC501T0506, CA68S5505-93ALT3PC501T0506, CA68S550594ALT2PC501T0506, CA68S5505-94ALT2PC501T0506, CB1S470020ALT6PC501T0506, CB1S4700-20ALT6PC501T0506, CB1S470020PC501T0506, CB1S4700-20PC501T0506, CB1S470021ALT6PC501T0506, CB1S4700-21ALT6PC501T0506, CB1S470029ALT6PC501T0506, CB1S4700-29ALT6PC501T0506, CB1S470032PC162, CB1S4700-32PC162, CB1S470038PC162, CB1S4700-38PC162, CL103S4700309876PC501T0506, CL103S4700-309876PC501T0506, CL55S470028ALT6PC501T0506, CL55S4700-28ALT6PC501T0506, CL55S4780ALT6PC501T0506, CL55S47-80ALT6PC501T0506, CL55S4781ALT6PC501T0506, CL55S47-81ALT6PC501T0506, CL55S4788ALT6PC501T0506, CL55S47-88ALT6PC501T0506, CL55S4789ALT6PC501T0506, CL55S47-89ALT6PC501T0506, CL55S4792PC162, CL55S47-92PC162, CL55S4798PC162, CL55S47-98PC162, CV22S4780ALT6PC501T0506, CV22S47-80ALT6PC501T0506, CV22S4781ALT6PC501T0506, CV22S47-81ALT6PC501T0506, CV22S4788ALT6PC501T0506, CV22S47-88ALT6PC501T0506, CV22S4789ALT6PC501T0506, CV22S47-89ALT6PC501T0506, CV22S4792PC162, CV22S47-92PC162, CV22S4798PC162, CV22S47-98PC162, CVL48S5501478939PC173, CVL48S5501-478939PC173, CVL48S5501478940PC173, CVL48S5501-478940PC173, CVL48S5501478970PC501T0506, CVL48S5501-478970PC501T0506, CVL48S550147897501T0506, CVL48S5501-47897501T0506, CVL48S5501478978PC501T0506, CVL48S5501-478978PC501T0506, CVL48S5501478981PC51T0506, CVL48S5501-478981PC51T0506, CVL48S5501478982ALT3PC162, CVL48S5501-478982ALT3PC162, CVL48S5501478988ALT3PC162, CVL48S5501-478988ALT3PC162, D15649501506, D15-649-501-506, D15649501T0506512, D15-649-501T0506-512, D15649501T506, D15-649-501T506, D15649BPC501T0506, D15-649BPC501T0506, D15-649BPC50T05 06, D15649BPC50T0506, D15649JPC501T0506, D15-649JPC501T0506, D15649MPC501T0506, D15-649MPC501T0506, D15653APC501T0506, D15-653APC501T0506, D15653BPC501T0506, D15-653BPC501T0506, D15653IPC501T0506, D15-653IPC501T0506, D15653JPC501T0506, D15-653JPC501T0506, D15675APC501T0506, D15-675APC501T0506, D15675BPC501T0506, D15-675BPC501T0506, D15675IPC501T0506, D15-675IPC501T0506, D15675JPC501T0506, D15-675JPC501T0506, D15675MPC501T0506, D15-675MPC501T0506, D15675MPC501T0506508, D15-675MPC501T0506-508, D15683501T0506508, D15-683-501T0506-508, D15683APC501T0506508, D15-683APC501T0506-508, D15683EPC501T0506, D15-683EPC501T0506, D15683EPC501T0506508, D15-683EPC501T0506-508, DD445S4601249PC1PC501T0506, DD445S4601-249PC1PC501T0506, DD445S4601250PC501T0506, DD445S4601-250PC501T0506, DD445S4601257PC501T0506, DD445S4601-257PC501T0506, DD445S4601258PC501T0506, DD445S4601-258PC501T0506, DD445S4601261ALT1PC162, DD445S4601-261ALT1PC162, 3456162, 3456-162, 4820-00-202-8221, 00-202-8221, 4820002028221, 002028221
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-202-8221 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-202-8221
Cross Reference | NSN 4820-00-202-8221
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3456-162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| BB55S47-102PC373 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| BB55S47-103PC373 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| C2555-1DPC373 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C2555-2DPC373 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3456-1PC162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3456-8PC162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3457-1PC162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3591-1PC162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3591-8PC162 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3593-1PC173 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| C3593-2PC173 | 37999 | EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV |
| CA122S5505-179253PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-101ALT2PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-102ALT1PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-105ALT2PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-111ALT2PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-125PC173 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-126PC173 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-93ALT3PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CA68S5505-94ALT2PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-20ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-20PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-21ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-29ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-32PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CB1S4700-38PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL103S4700-309876PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-80ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-81ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-88ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-89ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-92PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S47-98PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CL55S4700-28ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-80ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-81ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-88ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-89ALT6PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-92PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CV22S47-98PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478939PC173 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478940PC173 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478970PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-47897501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478978PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478981PC51T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478982ALT3PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CVL48S5501-478988ALT3PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| D15-649-501-506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-649-501-506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649-501-506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-649-501T0506-512 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-649-501T0506-512 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649-501T0506-512 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-649-501T506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649BPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-649BPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649BPC50T05 06 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-649JPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-649JPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649JPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-649MPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-649MPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-649MPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-653APC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-653APC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-653APC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-653BPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-653BPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-653BPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-653IPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-653IPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-653IPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-653JPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-653JPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-653JPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675APC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-675APC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-675APC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675BPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-675BPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-675BPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675IPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-675IPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-675IPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675JPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-675JPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-675JPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675MPC501T0506 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-675MPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-675MPC501T0506-508 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-675MPC501T0506-508 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-683-501T0506-508 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-683-501T0506-508 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-683-501T0506-508 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-683APC501T0506-508 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| D15-683APC501T0506-508 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-683EPC501T0506 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV |
| D15-683EPC501T0506 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| D15-683EPC501T0506-508 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| DD445S4601-249PC1PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| DD445S4601-250PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| DD445S4601-257PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| DD445S4601-258PC501T0506 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| DD445S4601-261ALT1PC162 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Related Products | NSN 4820-00-202-8221
Technical Data | NSN 4820-00-202-8221
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY SEAT STEEL STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G46B PLAIN ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 18 1ST END |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-00-202-8221
| 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 4820-00-202-8221
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 AY : Assembly |