Product Details | SAFETY RELIEF VALVE

4820-01-453-7618 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: R5V1261512A1, R5V12-615-12-A-1, 4820-01-453-7618, 01-453-7618, 4820014537618, 014537618

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 MAR 1998 01-453-7618

Drawings & Photos | NSN 4820-01-453-7618


Cross Reference | NSN 4820-01-453-7618

Part Number Cage Code Manufacturer
R5V12-615-12-A-1 53546 PACIFIC POWERTECH LLC

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Technical Data | NSN 4820-01-453-7618

Characteristic Specifications
MATERIAL IRON CAST BODY
STYLE DESIGNATOR C9 SAFETY RELIEF
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 1.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING 5000.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES 158 GPM; THRU-BOLT DIRECT MOUNTING; INTERNAL DRAIN; INLET PRESSURE 420 BAR; OUTLET PRESSURE 30 BAR; TEMPERATURE -18 TO +80 C
III END ITEM IDENTIFICATION ONBOARD 420 FT WAGB COAST GUARD VESSELS
MANUFACTURERS CODE 53546
DESIGN CONTROL REFERENCE R5V12-615-12-A-1

Restrictions/Controls & Freight Information | NSN 4820-01-453-7618

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
No Freight Information

Management | NSN 4820-01-453-7618

Category Code Description
Inventory Account CodesA Appropriations Purchase Account item managed for the Coast Guard by the respective Inventory Control Point. An unfunded requisition is required.
Inventory Account Codes0 Item not controlled by serial number.
Special Material Content Codes9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyZNCCommanding Officer
USCG Surface Force Logistics Center
Code 028, Mil Stop 25
2401 Hawkins Point Road
Baltimore, MD 21226-5000
AgencyGPU.S. Coast Guard
Service OrganizationCU.S. Coast Guard
ReparabilityC
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