Product Details | SAFETY RELIEF VALVE

4820-00-288-7304 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: FIG 105C1/2 50PSI, FIG105C1250PSI, FIGURE 1A-1/2-50PSI, FIGURE1A1250PSI, X1396T350, X1396T3-50, 14912, 149-1-2, 1A-1/2IN35T59PSI, 1A12IN35T59PSI, 1P460, 4820-00-288-7304, 00-288-7304, 4820002887304, 002887304

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-288-7304

Drawings & Photos | NSN 4820-00-288-7304


Cross Reference | NSN 4820-00-288-7304

Part Number Cage Code Manufacturer
149-1-2 14915 JAYCO INCORPORATED
1A-1/2IN35T59PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
1P460 30760 INGERSOLL RAND CO
1P460 47805 INGERSOLL-RAND CO PROTO TOOL DIV
FIG 105C1/2 50PSI 75336 F.C.KINGSTON CO. DBA STORM MANUFACTURING
FIGURE 1A-1/2-50PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
X1396T3-50 30760 INGERSOLL RAND CO
X1396T3-50 6R484 INGERSOLL-RAND COMPANY DBA ROTARY COMPRESSOR DIVISION
X1396T3-50 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS

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Technical Data | NSN 4820-00-288-7304

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR C3 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE GAS, NATURAL 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 350.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 97.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE G46B PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 50.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 35.0 TO 59.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 CAP AND 1 CHAIN
FEATURES PROVIDED VALVE STEM LOCK SHIELD
SPECIAL FEATURES FURNISHED W/MANUAL PRESSURE RELIEF LEVER

Restrictions/Controls & Freight Information | NSN 4820-00-288-7304

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:AItem 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
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 4820-00-288-7304

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 CodesJNOT 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each