Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-475-1344 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.

Part Alternates: 790-RPV-5.0-5.0, 790RPV5050, 790RPV505OP, 4820-01-475-1344, 01-475-1344, 4820014751344, 014751344

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 MAY 2000 01-475-1344

Drawings & Photos | NSN 4820-01-475-1344


Demand History | NSN 4820-01-475-1344

Part Number Request Date QTY Origin
4820-01-475-1344 2014-10-303 34 DIBBS
4820-01-475-1344 2014-09-251 2 DIBBS
4820-01-475-1344 2014-08-240 2 DIBBS

Cross Reference | NSN 4820-01-475-1344

Part Number Cage Code Manufacturer
790-RPV-5.0,5.OP 98021 HALKEY-ROBERTS CORPORATION
790-RPV-5.0-5.0 98021 HALKEY-ROBERTS CORPORATION

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Technical Data | NSN 4820-01-475-1344

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED, MIL-A-8625, TYPE 2
FLOW CONTROL DEVICE POPPET
STEM MATERIAL ALUMINUM ALLOY
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR J10 EXTERNAL SEAT FOR GASKET SEAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.875 INCHES NOMINAL
FIRST END THREAD CLASS 2A
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR UNS
FIRST END NOMINAL THREAD SIZE 0.875 INCHES
MAXIMUM OPERATING PRESSURE 5.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING -40.0 DEG FAHRENHEIT 180.0 DEG FAHRENHEIT
OPENING PRESSURE SETTING 5.0 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
DISK LOADING METHOD SPRING
SPECIAL FEATURES 1.125 IN. WIDTH ACROSS FLATS HEX FEATURE. 0.828 IN. HEIGHT
III PART NAME ASSIGNED BY CONTROLLING AGENCY DUAL ACTION BREATHER VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-475-1344

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 AH Defense Supply Center Columbus
Columbus, OH 43215
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 4820-01-475-1344

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