Expansion Valve

13937

13937
(NSN) National Stock Number
4820-00-811-8858
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05493
Schedule B Code
8481809050
Summary

Brass body material, straight thru body style, refrigerant 12 media for which designed, threaded external tube first end connection type, flared first end style designator, 0.500 inches nominal first end outside diameter tube accommodated

DAC HCC DMIL RNCC
3 - - 3
RNVC SADC MSDS RNAAC
2 - - AX
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
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
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
0.500 inches nominal
Details The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
First End Thread Class
3a
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
0.375 inches nominal
Details The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Second End Thread Class
3a
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
diaphragm
Details The part that controls the flow through the item.
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.
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.
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.
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
- 594 Z 9

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Manufacturer
ALTER HARRY CO THE DIV OF T E C
CAGE: 70334
LANSING , IL , 60438-4542
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-811-8858
What is the NIIN of the NSN 4820-00-811-8858?
The National Item Identification Number (NIIN) of the NSN 4820-00-811-8858 is 00-811-8858
When the NSN 4820-00-811-8858 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Apr 23, 1972
Does the NSN 4820-00-811-8858 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-811-8858 contain any hazardous material?
No data in HMIRS

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