Product Details | OXYGEN SYSTEM PRESSURE REGULATING VALVE

4820-01-523-4090 A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes VALVE, REGULATING, SYSTEM PRESSURE; VALVE REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.

Part Alternates: FRM-2 1/2 0T30PSI, FRM-2 1/2IN 0T30PSICP, FRM2120T30PSI, FRM212IN0T30PSICP, 10673-0030, 106730030CP, 10673-0030CP, 4820-01-523-4090, 01-523-4090, 4820015234090, 106730030, 015234090

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 SEP 2004 01-523-4090

Drawings & Photos | NSN 4820-01-523-4090


Demand History | NSN 4820-01-523-4090

Part Number Request Date QTY Origin
4820-01-523-4090 2014-01-05 2 DIBBS
4820-01-523-4090 2013-12-339 1 DIBBS
4820-01-523-4090 2008-12-340 2 DIBBS

Cross Reference | NSN 4820-01-523-4090

Part Number Cage Code Manufacturer
10673-0030 1X5W8 PENTAIR VALVES & CONTROLS US LP DBA MARINE PRODUCT TEAM
10673-0030 71342 IMI CASH VALVE INC
10673-0030CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
FRM-2 1/2 0T30PSI 71342 IMI CASH VALVE INC
FRM-2 1/2IN 0T30PSICP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-523-4090

Characteristic Specifications
BODY MATERIAL BRASS
FLOW CONTROL DEVICE DIAPHRAGM
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR B6 GASKET SEAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 0.500 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
FACE TO FACE DISTANCE 2.560 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED OXYGEN, GASEOUS
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING
SPECIAL FEATURES PRESSURE RANGE IS SET BETWEEN 0 TO 30 PSI; REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXYGEN SERVICE
CRITICALITY CODE JUSTIFICATION FEAT
III PART NAME ASSIGNED BY CONTROLLING AGENCY BACK PRESSURE VALVE, SIDE IN, SIDE OUT; CRYOGENIC

Restrictions/Controls & Freight Information | NSN 4820-01-523-4090

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 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 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 4820-01-523-4090

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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