Product Details | SAFETY RELIEF VALVE

4820-01-151-5605 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: KT32251, KT-3225-1, KT-3225-1 ITEM13, KT32251ITEM13, 559T4D20, 559T-4D-20, 4820-01-151-5605, 01-151-5605, 4820011515605, 011515605

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 APR 1983 01-151-5605

Drawings & Photos | NSN 4820-01-151-5605


Demand History | NSN 4820-01-151-5605

Part Number Request Date QTY Origin
4820-01-151-5605 2013-02-53 7 DIBBS
4820-01-151-5605 2011-11-311 2 DIBBS
4820-01-151-5605 2011-03-77 1 DIBBS

Cross Reference | NSN 4820-01-151-5605

Part Number Cage Code Manufacturer
559T-4D-20 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
KT-3225-1 25573 ENTWISTLE CO THE KENETT HYDRAULIC SYSTEMS DIV
KT-3225-1 ITEM13 20722 THE ENTWISTLE COMPANY
KT-3225-1 ITEM13 25573 ENTWISTLE CO THE KENETT HYDRAULIC SYSTEMS DIV

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Technical Data | NSN 4820-01-151-5605

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED ACETYLENE 1ST RESPONSE AIR 2ND RESPONSE GAS, INERT 3RD RESPONSE HYDROGEN 4TH RESPONSE REFRIGERANT 12 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP -40.0 DEG FAHRENHEIT 1ST RESPONSE 280.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G42 FLARED 1ST END
SEAT ANGLE 37.0 DEGREES 1ST END
THREAD SERIES DESIGNATOR UNJF 1ST END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 20.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-151-5605

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-151-5605

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each