Product Details | SAFETY RELIEF VALVE

4820-01-579-0368 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: 5159T2MP1550, 5159-T-2MP-1550, 4820-01-579-0368, 01-579-0368, 4820015790368, 015790368

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 OCT 2009 01-579-0368

Drawings & Photos | NSN 4820-01-579-0368


Demand History | NSN 4820-01-579-0368

Part Number Request Date QTY Origin
5159-T-2MP-1550 2023-12-339 1 DIBBS
5159-T-2MP-1550 2022-12-339 1 DIBBS
5159-T-2MP-1550 2022-08-219 1 DIBBS
5159-T-2MP-1550 2020-11-317 1 DIBBS
5159-T-2MP-1550 2020-11-306 1 DIBBS
4820-01-579-0368 2015-03-69 1 DIBBS
4820-01-579-0368 2012-11-334 1 DIBBS
4820-01-579-0368 2011-11-306 1 DIBBS
4820-01-579-0368 2011-03-86 1 DIBBS
4820-01-579-0368 2010-11-332 1 DIBBS

Cross Reference | NSN 4820-01-579-0368

Part Number Cage Code Manufacturer
5159-T-2MP-1550 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-579-0368

Characteristic Specifications
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
END ITEM IDENTIFICATION MK 48 SRI
STYLE DESIGNATOR ERR-090
THREAD SERIES DESIGNATOR NPT 1ST END
MAXIMUM OPERATING PRESSURE 2400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATERIAL STEEL COMP 303 BODY
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
PART NAME ASSIGNED BY CONTROLLING AGENCY RELIEF VALVE
OPENING PRESSURE SETTING 1550.0 POUNDS PER SQUARE INCH
CONNECTION STYLE G46D PLAIN (SCREW-IN CARTRIDGE) 1ST END
MATERIAL DOCUMENT AND CLASSIFICATION STAINLESS 303 MFR REF SINGLE MATERIAL RESPONSE BODY
DISK LOADING METHOD SPRING
VALVE OPERATION METHOD AUTOMATIC

Restrictions/Controls & Freight Information | NSN 4820-01-579-0368

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 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 4820-01-579-0368

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