Product Details | SAFETY RELIEF VALVE

4820-00-288-7842 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: 122738X2675, 1227-3-8X26-75, 2125800142856PCV38, 212-5800-142856PCV38, 21258012PCV5496, 212-58-012PCV5496, 2125829PCV5496, 212-58-29PCV5496, 2145800799171PCV6, 214-5800-799171PCV6, 2262103PCV60, 2262-103PCV60, 2262106PCV83, 2262-106PCV83, 2825801801807PCV7, 282-5801-801807PCV7, 3132200233356PCV9176, 313-2200-233356PCV9176, 3132200233356PCV9188, 313-2200-233356PCV9188, 3132200233356PCV9189, 313-2200-233356PCV9189, 3132200233357PCV9167, 313-2200-233357PCV9167, 3135800161584PCV47, 313-5800-161584PCV47, 313580060554PCV5397, 313-5800-60554PCV5397, 3182100233483PCV21, 318-2100-233483PCV21, 3182200233483PCV21, 318-2200-233483PCV21, 34058001002657PCV34, 340-5800-1002657PCV34, 3492200483696PCV9176, 349-2200-483696PCV9176, 3492200483696PCV9188, 349-2200-483696PCV9188, 3492200483696PCV9189, 349-2200-483696PCV9189, 3522200484772PCV9176, 352-2200-484772PCV9176, 3522200484772PCV9188, 352-2200-484772PCV9188, 3522200484772PCV9189, 352-2200-484772PCV9189, 3522200484792PCV9188, 352-2200-484792PCV9188, 3525800839786PCV3, 352-5800-839786PCV3, 3622601795816PCV293, 362-2601-795816PCV293, 38521001193753PCF17, 385-2100-1193753PCF17, 3865153PCV34, 3865-153PCV34, 389217PCV60, 389220PCV83, 41821001194436PCV3, 418-2100-1194436PCV3, 4352100235302PCV29, 435-2100-235302PCV29, 4352200235409PCV3, 435-2200-235409PCV3, 4352200235413PCV3, 435-2200-235413PCV3, 4352200235414PCV2, 435-2200-235414PCV2, 4352200483960PCV1, 435-2200-483960PCV1, 4352200483960PCV13, 435-2200-483960PCV13, 4352200483960PCV14, 435-2200-483960PCV14, 532668PCV55, 532668PCV68, 532686PCV9158, 56921001190972PCV25, 569-2100-1190972PCV25, 4820-00-288-7842, 00-288-7842, 4820002887842, 002887842

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-288-7842

Drawings & Photos | NSN 4820-00-288-7842


Cross Reference | NSN 4820-00-288-7842

Part Number Cage Code Manufacturer
1227-3-8X26-75 37239 LUNKENHEIMER CO
212-58-012PCV5496 53711 NAVAL SEA SYSTEMS COMMAND
212-58-012PCV5496 80064 NAVAL SHIP SYSTEMS COMMAND
212-58-29PCV5496 53711 NAVAL SEA SYSTEMS COMMAND
212-58-29PCV5496 80064 NAVAL SHIP SYSTEMS COMMAND
212-5800-142856PCV38 53711 NAVAL SEA SYSTEMS COMMAND
212-5800-142856PCV38 80064 NAVAL SHIP SYSTEMS COMMAND
214-5800-799171PCV6 53711 NAVAL SEA SYSTEMS COMMAND
214-5800-799171PCV6 80064 NAVAL SHIP SYSTEMS COMMAND
2262-103PCV60 76161 MANITOWOC SHIPBUILDING INC
2262-106PCV83 76161 MANITOWOC SHIPBUILDING INC
282-5801-801807PCV7 53711 NAVAL SEA SYSTEMS COMMAND
282-5801-801807PCV7 80064 NAVAL SHIP SYSTEMS COMMAND
313-2200-233356PCV9176 53711 NAVAL SEA SYSTEMS COMMAND
313-2200-233356PCV9176 80064 NAVAL SHIP SYSTEMS COMMAND
313-2200-233356PCV9188 53711 NAVAL SEA SYSTEMS COMMAND
313-2200-233356PCV9188 80064 NAVAL SHIP SYSTEMS COMMAND
313-2200-233356PCV9189 53711 NAVAL SEA SYSTEMS COMMAND
313-2200-233356PCV9189 80064 NAVAL SHIP SYSTEMS COMMAND
313-2200-233357PCV9167 53711 NAVAL SEA SYSTEMS COMMAND
313-2200-233357PCV9167 80064 NAVAL SHIP SYSTEMS COMMAND
313-5800-161584PCV47 53711 NAVAL SEA SYSTEMS COMMAND
313-5800-161584PCV47 80064 NAVAL SHIP SYSTEMS COMMAND
313-5800-60554PCV5397 53711 NAVAL SEA SYSTEMS COMMAND
313-5800-60554PCV5397 80064 NAVAL SHIP SYSTEMS COMMAND
318-2100-233483PCV21 53711 NAVAL SEA SYSTEMS COMMAND
318-2100-233483PCV21 80064 NAVAL SHIP SYSTEMS COMMAND
318-2200-233483PCV21 53711 NAVAL SEA SYSTEMS COMMAND
318-2200-233483PCV21 80064 NAVAL SHIP SYSTEMS COMMAND
340-5800-1002657PCV34 53711 NAVAL SEA SYSTEMS COMMAND
340-5800-1002657PCV34 80064 NAVAL SHIP SYSTEMS COMMAND
349-2200-483696PCV9176 53711 NAVAL SEA SYSTEMS COMMAND
349-2200-483696PCV9176 80064 NAVAL SHIP SYSTEMS COMMAND
349-2200-483696PCV9188 53711 NAVAL SEA SYSTEMS COMMAND
349-2200-483696PCV9188 80064 NAVAL SHIP SYSTEMS COMMAND
349-2200-483696PCV9189 53711 NAVAL SEA SYSTEMS COMMAND
349-2200-483696PCV9189 80064 NAVAL SHIP SYSTEMS COMMAND
352-2200-484772PCV9176 53711 NAVAL SEA SYSTEMS COMMAND
352-2200-484772PCV9176 80064 NAVAL SHIP SYSTEMS COMMAND
352-2200-484772PCV9188 53711 NAVAL SEA SYSTEMS COMMAND
352-2200-484772PCV9188 80064 NAVAL SHIP SYSTEMS COMMAND
352-2200-484772PCV9189 53711 NAVAL SEA SYSTEMS COMMAND
352-2200-484772PCV9189 80064 NAVAL SHIP SYSTEMS COMMAND
352-2200-484792PCV9188 53711 NAVAL SEA SYSTEMS COMMAND
352-2200-484792PCV9188 80064 NAVAL SHIP SYSTEMS COMMAND
352-5800-839786PCV3 53711 NAVAL SEA SYSTEMS COMMAND
352-5800-839786PCV3 80064 NAVAL SHIP SYSTEMS COMMAND
362-2601-795816PCV293 53711 NAVAL SEA SYSTEMS COMMAND
362-2601-795816PCV293 80064 NAVAL SHIP SYSTEMS COMMAND
385-2100-1193753PCF17 53711 NAVAL SEA SYSTEMS COMMAND
385-2100-1193753PCF17 80064 NAVAL SHIP SYSTEMS COMMAND
3865-153PCV34 96169 ELECTRIC BOAT CORPORATION
389217PCV60 53711 NAVAL SEA SYSTEMS COMMAND
389217PCV60 80064 NAVAL SHIP SYSTEMS COMMAND
389220PCV83 53711 NAVAL SEA SYSTEMS COMMAND
389220PCV83 80064 NAVAL SHIP SYSTEMS COMMAND
418-2100-1194436PCV3 53711 NAVAL SEA SYSTEMS COMMAND
418-2100-1194436PCV3 80064 NAVAL SHIP SYSTEMS COMMAND
435-2100-235302PCV29 53711 NAVAL SEA SYSTEMS COMMAND
435-2100-235302PCV29 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-235409PCV3 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-235409PCV3 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-235413PCV3 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-235413PCV3 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-235414PCV2 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-235414PCV2 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-483960PCV1 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-483960PCV1 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-483960PCV13 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-483960PCV13 80064 NAVAL SHIP SYSTEMS COMMAND
435-2200-483960PCV14 53711 NAVAL SEA SYSTEMS COMMAND
435-2200-483960PCV14 80064 NAVAL SHIP SYSTEMS COMMAND
532668PCV55 53711 NAVAL SEA SYSTEMS COMMAND
532668PCV55 80064 NAVAL SHIP SYSTEMS COMMAND
532668PCV68 53711 NAVAL SEA SYSTEMS COMMAND
532668PCV68 80064 NAVAL SHIP SYSTEMS COMMAND
532686PCV9158 53711 NAVAL SEA SYSTEMS COMMAND
532686PCV9158 80064 NAVAL SHIP SYSTEMS COMMAND
569-2100-1190972PCV25 53711 NAVAL SEA SYSTEMS COMMAND
569-2100-1190972PCV25 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-288-7842

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END 0.375 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.375 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 50.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES W/O LEVER AND W/LIQUID SEAT CONSTRUCTION

Restrictions/Controls & Freight Information | NSN 4820-00-288-7842

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious 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 4820-00-288-7842

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each