Product Details | SAFETY RELIEF VALVE

4820-01-524-3962 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: SW14201E0035/17071, SW14201E003517071, 4820-01-524-3962, 01-524-3962, 4820015243962, 015243962

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 SEP 2004 01-524-3962

Drawings & Photos | NSN 4820-01-524-3962


Demand History | NSN 4820-01-524-3962

Part Number Request Date QTY Origin
SW14201E0035/17071 2025-08-223 1 DIBBS
SW14201E0035/17071 2025-07-210 1 DIBBS
SW14201E0035/17071 2022-08-242 1 DIBBS
4820-01-524-3962 2016-05-124 1 DIBBS

Cross Reference | NSN 4820-01-524-3962

Part Number Cage Code Manufacturer
SW14201E0035/17071 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-524-3962

Characteristic Specifications
MATERIAL COPPER ALLOY BODY PLASTIC POLYTETRAFLUOROETHYLENE PACKING NICKEL ALLOY SEAT NICKEL ALLOY STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE NEEDLE
MAXIMUM OPERATING PRESSURE 35.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND ALL ENDS
SPECIAL FEATURES THIS EQUIPMENT IS IN ACCORDANCE WITH SPECIFICATION MIL-V-24332 AMEND. 2. GRADE B. EXCEPT DISC IS BOTTOM GUIDED TO MEET CAPACITY REQUIREMENTS
III END ITEM IDENTIFICATION VALVE, RELIEF 3 INCH TYPE 1791

Restrictions/Controls & Freight Information | NSN 4820-01-524-3962

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 4820-01-524-3962

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