Product Details | SAFETY RELIEF VALVE

4820-00-153-8194 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: A39350, A39350CAP60000, H3315563, 4820-00-153-8194, 00-153-8194, 4820001538194, 001538194

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 OCT 1971 00-153-8194

Drawings & Photos | NSN 4820-00-153-8194


Cross Reference | NSN 4820-00-153-8194

Part Number Cage Code Manufacturer
A39350 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
A39350CAP60000 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
H3315563 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-153-8194

Characteristic Specifications
MATERIAL STEEL COMP 304 FLOW CONTROL DEVICE STEEL COMP 304 SEAT NICKEL ALLOY 400 STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 6.938 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 7.688 INCHES
VALVE SIZE 2.500 INCHES
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE 60000.0 POUNDS PER HOUR
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 9.625 INCHES 1ST END 10.000 INCHES 2ND END
NOMINAL THICKNESS 1.688 INCHES 1ST END 1.188 INCHES 2ND END
BOLT HOLE QUANTITY 8 1ST END 8 2ND END
BOLT HOLE NOMINAL DIAMETER 1.125 INCHES 1ST END 0.875 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 7.500 INCHES 1ST END 7.875 INCHES 2ND END
FLANGE FACE DESIGN RECESSED STRAIGHT 1ST END RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT 0.062 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 6.188 INCHES 2ND END
RECESS NOMINAL DIAMETER 8.750 INCHES 1ST END
RECESS NOMINAL DEPTH 0.062 INCHES 1ST END
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 1375.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
MANUFACTURERS CODE 15187
DESIGN CONTROL REFERENCE A39350

Restrictions/Controls & Freight Information | NSN 4820-00-153-8194

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-00-153-8194

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
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