Product Details | SAFETY RELIEF VALVE

4820-00-410-9533 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: PK100, 2314983, 231-4983, 4820-00-410-9533, 00-410-9533, 4820004109533, 004109533

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 AUG 1969 00-410-9533

Drawings & Photos | NSN 4820-00-410-9533


Cross Reference | NSN 4820-00-410-9533

Part Number Cage Code Manufacturer
231-4983 02249 PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC
231-4983 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
PK100 02249 PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC
PK100 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV

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Technical Data | NSN 4820-00-410-9533

Characteristic Specifications
MATERIAL IRON CAST BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G9 PLAIN ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES 1ST END
THREAD SERIES DESIGNATOR NPTF ALL ENDS
NOMINAL THREAD SIZE 1.000 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
MOUNTING FACILITY THREADED FASTENER

Restrictions/Controls & Freight Information | NSN 4820-00-410-9533

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:UPrecious metal type is unknown
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 576 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 4820-00-410-9533

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative