Product Details | EXPANSION VALVE

4820-00-256-6659 A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

Part Alternates: TCLN300FA3F, 4820-00-256-6659, 00-256-6659, 4820002566659, 002566659

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-256-6659

Cross Reference | NSN 4820-00-256-6659

Part Number Cage Code Manufacturer
TCLN300FA3F 70255 EMERSON ELECTRIC CO ALCO CONTROLS DIV

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Technical Data | NSN 4820-00-256-6659

Characteristic Specifications
BODY MATERIAL BRASS
OUTSIDE SURFACE TREATMENT ANY ACCEPTABLE
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED INTERNAL TUBE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.625 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE UNTHREADED INTERNAL TUBE
SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED REFRIGERANT 12
TEMP RATING NOT RATED
VALVE EXPANSION CONTROL TYPE THERMOSTATIC
VALVE EVAPORATOR TEMP RANGE DESIGNATION HIGH
REFRIGERATION CAPACITY IN BTU PER HOUR 42.000
BULB MEDIA TYPE REFRIGERANT 12
CAPILLARY TUBE LENGTH 180.000 INCHES NOMINAL
BULB MOUNTING METHOD CLAMP

Restrictions/Controls & Freight Information | NSN 4820-00-256-6659

Category Code Description
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.
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 188340 VALVES THEMOSTATIC NOI/THEMOSTATS
Less than car load rating J 100.2
Less than truck load rating J 100.2
Water commodity Code 594 unknown
Originating Activity Code XX
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