Check Valve
2C8140-4
(NSN) National Stock Number
4820-00-001-6159
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
8481301090
Summary
3a all ends thread class, right-hand all ends thread direction, poppet flow control device, spring disk loading method, flared (tube) all ends connection style, automatic valve operation 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
Thread Class
3a all ends
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.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.Flow Control Device
poppet
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.Connection Style
flared (tube) 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 external tube all ends
Details
Indicates the type of connection/s/.Mounting Facility
bulkhead
Details
The facility for mounting the item.Mounting Position
horizontal or vertical
Details
The installed position for which the item is designed.Thread Quantity Per Inch
20 all ends
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Maximum Operating Pressure
3000.0 pounds per square inch single response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.438 inches all ends
Details
A designation that is used for the purpose of general identification of the thread.Seat Angle
37.0 degrees all ends
Details
The angle of the end surface upon which the mated surface seats.Nominal Outside Diameter Tube Accommodated
0.250 inches all ends
Details
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.Material
aluminum alloy seat
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel flow control device
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-a-267, alloy 2024, t351 fed spec single material response seat
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Material Document And Classification
qq-s-763 class 4400 fed spec single material response flow control device
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Media For Which Designed
oil, hydraulic single response
Details
The type of media for which the item is designed.Surface Treatment
anodize
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.Surface Treatment Document And Classification
mil-a-8625,ty 2 mil spec single treatment response
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Style Designator
straight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Thread Series Designator
unf 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.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 29300 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
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Manufacturer
CRISSAIR INC DIV ESCO TECHNOLOGIES
CAGE: 99240
VALENCIA
, CA
, 91355-4183
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-001-6159
What is the NIIN of the NSN 4820-00-001-6159?
The National Item Identification Number (NIIN) of the NSN 4820-00-001-6159 is 00-001-6159
When the NSN 4820-00-001-6159 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Sep 29, 1972
Does the NSN 4820-00-001-6159 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-001-6159 contain any hazardous material?
No data in HMIRS
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