Restrictor Check Valve

RFC1-2

RFC1-2
(NSN) National Stock Number
4820-00-460-6499
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
20520
Schedule B Code
-
Summary

Right-hand all ends thread direction, 225.0 deg fahrenheit single response maximum operating temp, -40.0 deg fahrenheit minimum operating temp, plain, optional end (pipe) all ends connection style, automatic valve operation method, threaded internal pipe all ends connection type

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
9 - - HD
Identification

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

INC FIIG Concept Condition
20520 A530B0 1 1
Specifications
Thread Direction
right-hand all ends
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.
Maximum Operating Temp
225.0 deg fahrenheit single response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
Minimum Operating Temp
-40.0 deg fahrenheit
Details The minimum temperature at which the item is designed to operate.
Connection Style
plain, optional end (pipe) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Connection Type
threaded internal pipe all ends
Details Indicates the type of connection/s/.
Maximum Operating Pressure
250.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
Nominal Thread Size
0.500 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Style Designator
angle
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Supplementary Features
flow control device: needle
Details Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.
Thread Series Designator
npt all ends
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
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
ACE CONTROLS INC
CAGE: 29265
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FAQs
Frequently asked questions for NSN 4820-00-460-6499
What is the NIIN of the NSN 4820-00-460-6499?
The National Item Identification Number (NIIN) of the NSN 4820-00-460-6499 is 00-460-6499
When the NSN 4820-00-460-6499 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jan 9, 1970
Does the NSN 4820-00-460-6499 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-460-6499 contain any hazardous material?
No data in HMIRS

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