Product Details | SAFETY RELIEF VALVE

4820-01-412-0279 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: 280041, 2800410032, 280041-0032, 280041-ASSEMBLY 280041-32, 280041ASSEMBLY28004132, 2830480008, 283048-0008, 283048-0008 ITEM 7, 2830480008ITEM7, 4820-01-412-0279, 01-412-0279, 4820014120279, 014120279

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 APR 1995 01-412-0279

Cross Reference | NSN 4820-01-412-0279

Part Number Cage Code Manufacturer
280041 99657 MAROTTA CONTROLS, INC.
280041-0032 99657 MAROTTA CONTROLS, INC.
280041-ASSEMBLY 280041-32 99657 MAROTTA CONTROLS, INC.
283048-0008 99657 MAROTTA CONTROLS, INC.
283048-0008 ITEM 7 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-01-412-0279

Characteristic Specifications
MATERIAL COPPER ALLOY BODY PLASTIC POLYTETRAFLUOROETHYLENE SEAT
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 185.0 POUNDS PER SQUARE INCH
MOUNTING FACILITY THREADED FASTENER
SPECIAL FEATURES CARTRIDGE TYPE

Restrictions/Controls & Freight Information | NSN 4820-01-412-0279

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 4820-01-412-0279

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
AY : Assembly