Product Details | CALIBRATED FLOW VALVE

4820-01-256-5156 A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes VALVE, REGULATING, FEED WATER; VALVE, REGULATING, FLUID PRESSURE; VALVE, REGULATING, FUEL OIL; VALVE, REGULATING, OIL PRESSURE, AUTOMATIC PILOT; VAVLE, REGULATING, TEMPERATURE; VALVE, ANGLE; and VALVE, GLOBE.

Part Alternates: 1682B9, 1682-B9, 23531312, 2353-1312, 4820-01-256-5156, 01-256-5156, 4820012565156, 012565156

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 JUN 1987 01-256-5156

Drawings & Photos | NSN 4820-01-256-5156


Demand History | NSN 4820-01-256-5156

Part Number Request Date QTY Origin
4820-01-256-5156 2016-02-39 2 DIBBS
4820-01-256-5156 2010-03-76 2 DIBBS

Cross Reference | NSN 4820-01-256-5156

Part Number Cage Code Manufacturer
1682-B9 90800 ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROL DIVISION
2353-1312 90800 ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROL DIVISION

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Technical Data | NSN 4820-01-256-5156

Characteristic Specifications
BODY MATERIAL BRASS
SEAT MATERIAL COPPER ALLOY
FLOW CONTROL DEVICE DIAPHRAGM
FLOW CONTROL DEVICE MATERIAL RUBBER, SYNTHETIC
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR C11 SOCKET W/BRAZING RING
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.500 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED WATER, SALT
RENEWABLE SEAT RING TYPE RETAINING RING
REGULATION TYPE AUTOMATIC SINGLE STAGE
TEMP RATING 160.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING 150.0 POUNDS PER SQUARE INCH
VALVE DISCHARGE FLOW RATE 23.0 GALLONS PER MINUTE

Restrictions/Controls & Freight Information | NSN 4820-01-256-5156

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 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 4820-01-256-5156

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
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