Product Details | SAFETY RELIEF VALVE

4820-01-517-4795 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: 6304524, 63045245, 6304524-5, 82H227MOS1SS/S-8502-6, 82H227MOS1SSS85026, 4820-01-517-4795, 01-517-4795, 4820015174795, 015174795

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 FEB 2004 01-517-4795

Drawings & Photos | NSN 4820-01-517-4795


Demand History | NSN 4820-01-517-4795

Part Number Request Date QTY Origin
6304524-5 2024-07-189 2 DIBBS
82H227MOS1SS/S-8502-6 2024-07-189 2 DIBBS
6304524-5 2023-05-121 3 DIBBS
82H227MOS1SS/S-8502-6 2023-05-121 3 DIBBS
6304524-5 2023-04-109 3 DIBBS
82H227MOS1SS/S-8502-6 2023-04-109 3 DIBBS
6304524-5 2021-07-188 1 DIBBS
82H227MOS1SS/S-8502-6 2021-07-188 1 DIBBS

Cross Reference | NSN 4820-01-517-4795

Part Number Cage Code Manufacturer
6304524 80091 NAVAL FACILITIES ENGINEERING COMMAND
6304524-5 70433 APPLETON MARINE, INC.
6304524-5 80091 NAVAL FACILITIES ENGINEERING COMMAND
82H227MOS1SS/S-8502-6 8V003 DOERING CO

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Technical Data | NSN 4820-01-517-4795

Characteristic Specifications
MATERIAL ALUMINUM BODY
STYLE DESIGNATOR C6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP -45.0 DEG FAHRENHEIT 1ST RESPONSE 200.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE G4 GASKET SEAL ALL ENDS
FLANGE SHAPE HEXAGON ALL ENDS
NOMINAL THICKNESS 1.500 INCHES ALL ENDS
NOMINAL LENGTH 3.250 INCHES ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD QUANTITY PER INCH 16 ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
SPECIAL FEATURES 2-WAY; NORMALLY OPEN; STAINLESS KNOB; NO OVERTRAVEL PROTECTION
III END ITEM IDENTIFICATION ABLTS; CONSOLE, OPERATORS
III PART NAME ASSIGNED BY CONTROLLING AGENCY 2-WAY POPPET VALVE, MANUALLY OPERATED

Restrictions/Controls & Freight Information | NSN 4820-01-517-4795

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
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 4820-01-517-4795

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 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
Purchasing QTY
UOM
1
EA : Each