Check Valve
R2A7558
(NSN) National Stock Number
4820-00-835-4847
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
8481302090
Summary
0.750 inches 1st end nominal pipe size accommodated, 1.500 inches 2nd end nominal pipe size accommodated, right-hand 1st end thread direction, right-hand 2nd end thread direction, disk flow control device, spring disk loading method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | AX |
Identification
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 05487 | A530B0 | 1 | 1 |
Specifications
Nominal Pipe Size Accommodated
0.750 inches 1st end
Details
A measurement of the pipe size the item will accommodate.Nominal Pipe Size Accommodated
1.500 inches 2nd end
Details
A measurement of the pipe size the item will accommodate.Thread Direction
right-hand 1st end
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.Thread Direction
right-hand 2nd end
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.Flow Control Device
disk
Details
The part that controls the flow through the item.Disk Loading Method
spring
Details
The means of closing the item when inlet pressure decreases.Maximum Operating Temp
500.0 deg fahrenheit single response
Details
The maximum temperature at which the item is rated to operate for an extended period of time.Connection Style
plain (pipe) 2nd end
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.Connection Style
plain, optional end (pipe) 1st end
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 external pipe 2nd end
Details
Indicates the type of connection/s/.Connection Type
threaded internal pipe 1st end
Details
Indicates the type of connection/s/.Mounting Position
horizontal or vertical
Details
The installed position for which the item is designed.Thread Quantity Per Inch
11-1/2 2nd end
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Maximum Operating Pressure
300.0 pounds per square inch single response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.750 inches 1st end
Details
A designation that is used for the purpose of general identification of the thread.Nominal Thread Size
1.500 inches 2nd end
Details
A designation that is used for the purpose of general identification of the thread.Material
steel corrosion resisting overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Media For Which Designed
steam single response
Details
The type of media for which the item is designed.Surface Treatment
passivate
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Style Designator
straight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Thread Series Designator
npt 2nd end
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.Thread Series Designator
npt 1st end
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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| R2A7558 | 38460 | 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 |
|---|---|---|---|
| - | 579 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-835-4847
What is the NIIN of the NSN 4820-00-835-4847?
The National Item Identification Number (NIIN) of the NSN 4820-00-835-4847 is 00-835-4847
When the NSN 4820-00-835-4847 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Mon, Jan 1, 1962
Does the NSN 4820-00-835-4847 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-835-4847 contain any hazardous material?
No data in HMIRS
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