Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-00-731-2720 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: MIS1740711, MIS17407-1-1, P27309, P27-309, 4820-00-731-2720, 00-731-2720, 4820007312720, 007312720

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 FEB 1968 00-731-2720

Drawings & Photos | NSN 4820-00-731-2720


Cross Reference | NSN 4820-00-731-2720

Part Number Cage Code Manufacturer
MIS17407-1-1 18876 U S ARMY AVIATION AND MISSILE COMMAND
P27-309 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-731-2720

Characteristic Specifications
BODY STYLE A46 SINGLE CONNECTION STRAIGHT THRU
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANY ACCEPTABLE
FLOW CONTROL DEVICE POPPET
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR J9 GASKET SEAL
FIRST END THREAD CLASS 2A
FIRST END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
TEMP RATING NOT RATED
VALVE DISCHARGE FLOW RATE NOT RATED
TEMP CONTROL DEVICE TYPE THERMOSTATIC

Restrictions/Controls & Freight Information | NSN 4820-00-731-2720

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 BD U.S. Army Aviation and Missile Command
Redstone Arsenal, AL 35898-5230
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 4820-00-731-2720

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 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