Product Details | SAFETY RELIEF VALVE

4820-00-552-2205 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: D559T4D115, D559T-4D-115, 14D559T4D115, 1-4D559T4D115, 51350055, 513-50055, 51350116, 513-50116, 4820-00-552-2205, 00-552-2205, 4820005522205, 005522205

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 OCT 1969 00-552-2205

Drawings & Photos | NSN 4820-00-552-2205


Demand History | NSN 4820-00-552-2205

Part Number Request Date QTY Origin
4820-00-552-2205 2020-08-225 20 United States

Cross Reference | NSN 4820-00-552-2205

Part Number Cage Code Manufacturer
1-4D559T4D115 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
513-50055 9F512 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC PUMP DIVISION
513-50055 AJ609 HEPBURN ITALIANA SRL
513-50055 R0521 ABC HANSEN A/S FORMERLY REFIMEX A/S
513-50116 9F512 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC PUMP DIVISION
D559T-4D-115 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-552-2205

Characteristic Specifications
MATERIAL STEEL COMP 303 BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE STEEL COMP 303 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION FED STD66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY FED STD66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C5 STRAIGHT THRU W/BAFFLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE ACETYLENE 2ND RESPONSE AMMONIA, GASEOUS 3RD RESPONSE FUEL/OIL, HYDROCARBON 4TH RESPONSE HELIUM 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 280.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G46A PLAIN 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNJF 1ST END
NOMINAL THREAD SIZE 0.437 INCHES 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 115.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 60.0 TO 150.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 DEFLECTOR CAP

Restrictions/Controls & Freight Information | NSN 4820-00-552-2205

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:UPrecious metal type is unknown
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 576 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 4820-00-552-2205

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