Product Details | FLUID PRESSURE REGULATING VALVE

4820-00-148-4993 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: 825479, 4820-00-148-4993, 00-148-4993, 4820001484993, 001484993

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 SEP 1971 00-148-4993

Drawings & Photos | NSN 4820-00-148-4993


Cross Reference | NSN 4820-00-148-4993

Part Number Cage Code Manufacturer
825479 21292 KELSEY-HAYES CO FABCO DIV

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Technical Data | NSN 4820-00-148-4993

Characteristic Specifications
BODY MATERIAL ALUMINUM ALLOY
SEAT MATERIAL STEEL
STEM MATERIAL STEEL
FLOW CONTROL DEVICE STEM AND INTEGRAL DISK
FLOW CONTROL DEVICE MATERIAL STEEL
OUTSIDE SURFACE TREATMENT ANODIZED
END CONNECTION QUANTITY 4
FIRST END CONNECTION TYPE UNTHREADED EXTERNAL HOSE
FIRST END STYLE DESIGNATOR E4 BEADED
FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED 0.375 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH FIRST END
FOURTH END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST, SECOND OR THIRD END
FOURTH END CONNECTION TYPE UNTHREADED EXTERNAL HOSE
FOURTH END STYLE DESIGNATOR E4 BEADED
FOURTH END OUTSIDE DIAMETER HOSE ACCOMMODATED 0.250 INCHES NOMINAL
BODY STYLE A31 STRAIGHT THRU
CENTER TO CENTER DISTANCE 0.938 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED HYDROCARBON FUELS AND OILS
MOUNTING FACILITY INTERNAL THREAD
REGULATION TYPE AUTOMATIC DOUBLE STAGE
VALVE STEM DESIGN SINGLE SEAT
VALVE LOADING METHOD SPRING
MAXIMUM INLET PRESSURE RATING NOT RATED
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED

Restrictions/Controls & Freight Information | NSN 4820-00-148-4993

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 127200 PRESSURE REDCNG WATER RELIEF VALVE
Less than car load rating
Less than truck load rating M 85.0
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 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 4820-00-148-4993

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each