Product Details | FLUID PRESSURE REGULATING VALVE

4820-01-056-9540 A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 1584, R374, 4820-01-056-9540, 01-056-9540, 4820010569540, 010569540

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 MAR 1978 01-056-9540

Drawings & Photos | NSN 4820-01-056-9540


Cross Reference | NSN 4820-01-056-9540

Part Number Cage Code Manufacturer
1584 04049 ARROW PNEUMATICS INC
R374 04049 ARROW PNEUMATICS INC

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Technical Data | NSN 4820-01-056-9540

Characteristic Specifications
BODY MATERIAL ALUMINUM ALLOY OR ALUMINUM
SEAT MATERIAL BRASS OR COPPER ALLOY
STEM MATERIAL STEEL, CORROSION RESISTING
PACKING MATERIAL RUBBER OR RUBBER, SYNTHETIC
FLOW CONTROL DEVICE PISTON, BOTTOM GUIDED
FLOW CONTROL DEVICE MATERIAL STEEL, CORROSION RESISTING
OUTSIDE SURFACE TREATMENT PAINTED
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR B12 OPTIONAL END
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 1/2-14 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR
MOUNTING FACILITY BRACKET
RENEWABLE SEAT RING TYPE PRESSED-IN
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD BELLOWS AND SPRING
TEMP RATING -40.0 DEG FAHRENHEIT MINIMUM AND 180.0 DEG FAHRENHEIT MAXIMUM
MAXIMUM INLET PRESSURE RATING 300.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE SETTING 125.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED
SPECIAL FEATURES BODY PAINTED BLACK;W/BLACK PAINTED ALUMINUM T-HANDLE ON TOP OF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-056-9540

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.
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 576 unknown
Originating Activity Code 48 Federal Aviation Administration
Oklahoma City, OK 73125
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 4820-01-056-9540

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
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