Product Details | SAFETY RELIEF VALVE

4820-01-159-7603 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: V3D10112, V3D1011201, V3D10112-01, 4820-01-159-7603, 01-159-7603, 4820011597603, 011597603

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 AUG 1983 01-159-7603

Drawings & Photos | NSN 4820-01-159-7603


Demand History | NSN 4820-01-159-7603

Part Number Request Date QTY Origin
4820-01-159-7603 2016-05-129 2 DIBBS

Cross Reference | NSN 4820-01-159-7603

Part Number Cage Code Manufacturer
V3D10112 99517 VACCO INDUSTRIES
V3D10112-01 99517 VACCO INDUSTRIES

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Technical Data | NSN 4820-01-159-7603

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END
FLANGE SHAPE ROUND WITH HOLES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 60.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 50.0 TO 53.0 POUNDS PER SQUARE INCH
MOUNTING FACILITY THREADED FASTENER
SPECIAL FEATURES LEVEL 1 REQUIREMENTS DO NOT APPLY

Restrictions/Controls & Freight Information | NSN 4820-01-159-7603

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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-01-159-7603

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 CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each