Product Details | SAFETY RELIEF VALVE

4820-00-679-9783 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: VRA002203, VRA0022-03, 5159A6TB1500, 10861667, 4820-00-679-9783, 00-679-9783, 4820006799781, 4820006799783 , 006799783

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-679-9783

Drawings & Photos | NSN 4820-00-679-9783


Demand History | NSN 4820-00-679-9783

Part Number Request Date QTY Origin
4820-00-679-9783 2022-12-337 1 AU
4820-00-679-9783 2022-10-293 163 DIBBS
4820-00-679-9783 2021-09-271 15 DIBBS
4820-00-679-9783 2021-06-167 28 US
4820-00-679-9783 2020-11-324 12 US
4820-00-679-9783 2020-10-294 109 DIBBS
4820-00-679-9783 2020-08-227 12 US
4820-00-679-9783 2019-07-182 1 Taiwan
4820-00-679-9783 2019-01-31 43 DIBBS
4820-00-679-9783 2019-01-10 43 DIBBS
4820-00-679-9783 2015-02-41 15 MANUAL
4820-00-679-9783 2013-05-142 127 DIBBS
4820-00-679-9783 2013-04-98 83 DIBBS
4820-00-679-9783 2012-12-363 41 DIBBS
4820-00-679-9783 2010-03-84 34 DIBBS
4820-00-679-9783 2009-09-268 67 DIBBS
4820-00-679-9783 2009-09-253 195 DIBBS
4820-00-679-9783 2009-09-246 50 DIBBS

Cross Reference | NSN 4820-00-679-9783

Part Number Cage Code Manufacturer
10861667 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
4820006799781 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
4820006799783 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
5159A6TB1500 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
VRA0022-03 59375 RGI INC

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Technical Data | NSN 4820-00-679-9783

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR C7 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 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE G43 EXTERNAL SEAT FOR GASKET SEAL 1ST END G4 GASKET SEAL 2ND END
SEAT ANGLE 90.0 DEGREES 1ST END
THREAD SERIES DESIGNATOR UNJ 1ST END UNF 2ND END
NOMINAL THREAD SIZE 0.563 INCHES ALL ENDS
THREAD QUANTITY PER INCH 18 1ST END
THREAD CLASS 3A 1ST END 3B 2ND END
THREAD DIRECTION RIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING 1500.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 10.0 TO 2400.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-00-679-9783

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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code XX
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 4820-00-679-9783

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
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