Product Details | SAFETY RELIEF VALVE

4820-01-218-3303 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: NMP1514, NMP-1514, NMP1514 PART V111 47T54PSI, NMP-1514 PART V111 47T54PSI, NMP1514PARTV11147T54PSI, V-111 NMP-1514, V111NMP1514, 4820-01-218-3303, 01-218-3303, 4820012183303, 012183303

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 OCT 1985 01-218-3303

Drawings & Photos | NSN 4820-01-218-3303


Cross Reference | NSN 4820-01-218-3303

Part Number Cage Code Manufacturer
NMP-1514 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1514 PART V111 47T54PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1514 PART V111 47T54PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP1514 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP1514 PART V111 47T54PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
V-111 NMP-1514 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-218-3303

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.937 INCHES
VALVE SIZE 1.000 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 120.0 POUNDS PER SQUARE INCH 1ST RESPONSE 185.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 380.0 DEG FAHRENHEIT 1ST RESPONSE 650.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.000 INCHES 1ST END 4.250 INCHES 2ND END
NOMINAL THICKNESS 0.812 INCHES 1ST END 0.438 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END 0.625 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES 1ST END 3.125 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.062 INCHES 1ST END 0.438 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 3.625 INCHES 1ST END 2.000 INCHES 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 47.0 TO 54.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-218-3303

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 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 4820-01-218-3303

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each