Product Details | SAFETY RELIEF VALVE

4820-01-479-9722 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: RP-1066-A1/E76L385, RP1066A1E76L385, 4820-01-479-9722, 01-479-9722, 4820014799722, 014799722

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 NOV 2000 01-479-9722

Drawings & Photos | NSN 4820-01-479-9722


Cross Reference | NSN 4820-01-479-9722

Part Number Cage Code Manufacturer
RP-1066-A1/E76L385 73475 ROBERTSHAW CONTROLS COMPANY DBA ROBERTSHAW INDUSTRIAL PRODUCTS

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Technical Data | NSN 4820-01-479-9722

Characteristic Specifications
MATERIAL IRON CAST BODY
STYLE DESIGNATOR C8A STRAIGHT THRU FLANGED ENDS
FACE TO FACE DISTANCE 8.625 INCHES
VALVE SIZE 3.000 INCHES
FLOW CONTROL DEVICE DIAPHRAGM
MEDIA FOR WHICH DESIGNED LIQUID 1ST RESPONSE STEAM 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AIR
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 7.500 INCHES ALL ENDS
NOMINAL THICKNESS 0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 6.000 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 3.000 INCHES ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 3.0 TO 25.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES BUILT TO A GENERAL ELECTRIC DRAWING NUMBER 226A1044P003
III PART NAME ASSIGNED BY CONTROLLING AGENCY VALVE, REGULATING FLUID

Restrictions/Controls & Freight Information | NSN 4820-01-479-9722

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 4820-01-479-9722

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