Product Details | SAFETY RELIEF VALVE

4820-01-220-5536 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: S4824D3161611, S4824-D-3161611, 3167E, 3167-E, 4820-01-220-5536, 01-220-5536, 4820012205536, 012205536

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 NOV 1985 01-220-5536

Drawings & Photos | NSN 4820-01-220-5536


Cross Reference | NSN 4820-01-220-5536

Part Number Cage Code Manufacturer
3167-E 04537 ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA
S4824-D-3161611 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-220-5536

Characteristic Specifications
MATERIAL STEEL UNS J92650 FLOW CONTROL DEVICE
BOLT CIRCLE NOMINAL DIAMETER 8.875 INCHES ALL ENDS
MAXIMUM OPERATING PRESSURE 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER 10.125 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 8.000 INCHES
BONNET ATTACHMENT METHOD BOLTED
BOLT HOLE NOMINAL DIAMETER 0.688 INCHES ALL ENDS
OPENING PRESSURE SETTING 10.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
MATERIAL NICKEL ALLOY 400 STEM
MATERIAL STEEL UNS J03504 BODY
VALVE SIZE 6.000 INCHES
NOMINAL THICKNESS 0.562 INCHES ALL ENDS
CONNECTION TYPE FLANGE ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
VALVE OPERATION METHOD AUTOMATIC
BOLT HOLE QUANTITY 12 ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 8.000 INCHES
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
BONNET TYPE INSIDE SCREW
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING TEMP 610.0 DEG FAHRENHEIT SINGLE RESPONSE

Restrictions/Controls & Freight Information | NSN 4820-01-220-5536

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 4820-01-220-5536

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable 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