Product Details | SAFETY RELIEF VALVE

4820-01-539-3246 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: 26JA10L-140/S4-492051-A14, 26JA10L140S4492051A14, 4820-01-539-3246, 01-539-3246, 4820015393246, 015393246

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 APR 2006 01-539-3246

Drawings & Photos | NSN 4820-01-539-3246


Cross Reference | NSN 4820-01-539-3246

Part Number Cage Code Manufacturer
26JA10L-140/S4-492051-A14 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION

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Technical Data | NSN 4820-01-539-3246

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY STEEL COMP 316 FLOW CONTROL DEVICE
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.875 INCHES
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 65.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES 2.0 INCH INLET AND 3.0 INCH OUTLET CONNECTIONS ARE ANSI FLANGE CLASS 150 WITH "J" TYPE ORFICE.
III END ITEM IDENTIFICATION NEW CONSTRUCTION LCS1

Restrictions/Controls & Freight Information | NSN 4820-01-539-3246

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-539-3246

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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