Product Details | SAFETY RELIEF VALVE

4820-00-057-1752 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: 559B2M5, 559B-2M-5, 4820-00-057-1752, 00-057-1752, 4820000571752, 000571752

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JUN 1967 00-057-1752

Drawings & Photos | NSN 4820-00-057-1752


Demand History | NSN 4820-00-057-1752

Part Number Request Date QTY Origin
559B-2M-5 2019-10-280 10 DIBBS
559B-2M-5 2019-09-270 10 DIBBS
4820-00-057-1752 2010-06-176 19 DIBBS

Cross Reference | NSN 4820-00-057-1752

Part Number Cage Code Manufacturer
559B-2M-5 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-00-057-1752

Technical Data | NSN 4820-00-057-1752

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE COPPER ALLOY SEAT
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE ACETYLENE 2ND RESPONSE AMMONIA, GASEOUS 3RD RESPONSE REFRIGERANT 12 4TH RESPONSE HYDROGEN 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G46B PLAIN 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 5.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD
SPECIAL FEATURES POP-OFF TYPE
MANUFACTURERS CODE 91816
DESIGN CONTROL REFERENCE 559B-2M-5

Restrictions/Controls & Freight Information | NSN 4820-00-057-1752

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 594 unknown
Originating Activity Code CL U.S. Army Communications-Electronics
Fort Monmouth, NJ 07703-5006
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 4820-00-057-1752

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