Product Details | SAFETY RELIEF VALVE

4820-01-490-0301 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: A329341, A-32934-1, D29631, D-29631, 57694 MODEL 1, 57694MODEL1, 4820-01-490-0301, 01-490-0301, 4820014900301, 014900301

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 SEP 2001 01-490-0301

Drawings & Photos | NSN 4820-01-490-0301


Cross Reference | NSN 4820-01-490-0301

Part Number Cage Code Manufacturer
57694 MODEL 1 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
A-32934-1 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
D-29631 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-490-0301

Characteristic Specifications
MATERIAL STEEL UNS J12522 BODY
STYLE DESIGNATOR A7A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.625 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.875 INCHES
VALVE SIZE 1.500 INCHES
MAXIMUM OPERATING TEMP 900.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
SPECIAL FEATURES 1.5 INCH NHAS 37 INLET,3 INCH OUTLET ,900LB INLET,150LB OUTLET H ORFACE,FLANGED .75 IN. ON 6 IN.CIRCLE,4 HOLES,.875 IN. HOLES ON 4.5 IN.CIRCLE,4 HOLES,VALVE SETTING IS NOT TO EXCEED 640LBS.
III END ITEM IDENTIFICATION E/I:VALVE,RELIEF 1.5H3 POP SAFETY VALVE STYLE HNA

Restrictions/Controls & Freight Information | NSN 4820-01-490-0301

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 4820-01-490-0301

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
ReparabilityDField Level Reparables
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