Expansion Valve
079-219
(NSN) National Stock Number
4820-00-204-1984
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05493
Schedule B Code
8481809050
Summary
Brass body material, angle give "adqm" or "adqn" if flanged one or two ends body style, any acceptable stem material, refrigerant 12 media for which designed, threaded external tube first end connection type, flared first end style designator
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | C |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | AC | - | ZZ |
Identification
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.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 05493 | A07100 | 1 | 1 |
Specifications
Body Material
brass
Details
The basic material of which the body is fabricated. please use mrc matt withisac coding for body in place of this discontinued mrc.Body Style
angle give "adqm" or "adqn" if flanged one or two ends
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Stem Material
any acceptable
Details
The element, compound,or mixture of which the stem is fabricated,excluding any surface treatment. please use mrc cybn or matt and use of isac in place of this discontinued mrc.Media For Which Designed
refrigerant 12
Details
The type of service with which the item is designed to be used. please use mrc meda in place of this discontinued mrc.First End Connection Type
threaded external tube
Details
A narrative description of the type of end connection.First End Style Designator
flared
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.First End Outside Diameter Tube Accommodated
0.375 inches nominal
Details
The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.First End Thread Class
2a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.First End Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Second End Relationship With First End
not identical
Details
Indicates whether or not the second end is identical to the first end. please use mrc cqbb in place of this discontinued mrc.Second End Connection Type
threaded external tube
Details
A narrative description of the type of end connection.Second End Style Designator
flared
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.Second End Outside Diameter Tube Accommodated
0.500 inches nominal
Details
The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.Second End Thread Class
2a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Second End Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.First End Seat Angle In Deg
45.0
Details
The angle of the end surface upon which the mated surface seats,expressed in degrees. please use mrc cqrb with isac table 0036 in place of this discontinued mrc.Second End Seat Angle In Deg
45.0
Details
The angle of the end surface upon which the mated surface seats,expressed in degrees. please use mrc crcn or cqrb with use of isac in place of this discontinued mrc.Flow Control Device
disk, circular
Details
The part that controls the flow through the item.Flow Control Device Material
any acceptable
Details
The element,compound,or mixture of which the flow control device is fabricated. please use mrc matt with isac in place of this discontinued mrc.End Connection Quantity
2
Details
The number of end connections included in the item.Capillary Tube Length
60.000 inches nominal
Details
A measurement of the longest dimension of a capillary tube.Bulb Length
3.500 inches nominal
Details
A measurement of the longest dimension of a bulb.Bulb Diameter
0.500 inches nominal
Details
The length of a straight line which passes through the center of the bulb,and terminates at the circumference.Valve Expansion Control Type
thermostatic
Details
Indicates the type of control by which the valve is expanded.Valve Evaporator Temp Range Designation
high
Details
A designation of the evaporator temperature range at which the valve is designed to operate.Valve Pressure Limiting Device
not included
Details
An indication of whether or not a device is included that throttles or stops the flow of liquid,gas,and the like,through the valve when evaporator suction pressure reaches the maximum pressure setting.Bulb Media Type
refrigerant 12
Details
Indicates the type of transfer agent contained in the thermostatic bulb which reacts to temperature change.Bulb Mounting Method
well
Details
The means utilized to hold the bulb in position.Valve Equalizer Location
internal
Details
Indicates whether the equalizer location is internal,external,or both.Refrigeration Capacity In Btu Per Hour
12.0
Details
The capacity of the item as rated by industry,expressed in british thermal units /btu/ of refrigeration per hour.Special Features
temp rating: 8.0 deg fahrenheit to 12.0 deg fahrenheit
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| CF2C | 78462 | 5 | - | 5 | 9 | - | AX |
| CJ2C | 78462 | 5 | - | 3 | 2 | - | ZZ |
| HC2FW | 78462 | 5 | - | 5 | 9 | - | AX |
| 673 2 FW 15 | 93781 | 6 | - | 5 | 9 | - | AX |
| 13226E1730 | 97403 | A | - | 7 | 2 | - | AX |
| GF2C | 78781 | 5 | - | 5 | 9 | - | AX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 29300 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-204-1984
What is the NIIN of the NSN 4820-00-204-1984?
The National Item Identification Number (NIIN) of the NSN 4820-00-204-1984 is 00-204-1984
When the NSN 4820-00-204-1984 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-204-1984 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-204-1984 contain any hazardous material?
No data in HMIRS
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