Check Valve
2419740
(NSN) National Stock Number
4820-00-003-8640
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
8481301090
Summary
3a 1st end thread class, right-hand 1st end thread direction, ball flow control device, spring disk loading method, flared (tube) 1st end connection style, automatic valve operation method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | HD |
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 1st end
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.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.Flow Control Device
ball
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) 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 tube 1st end
Details
Indicates the type of connection/s/.Mounting Position
horizontal
Details
The installed position for which the item is designed.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
0.750 inches 1st end
Details
A designation that is used for the purpose of general identification of the thread.Seat Angle
37.0 degrees 1st end
Details
The angle of the end surface upon which the mated surface seats.Nominal Outside Diameter Tube Accommodated
0.500 inches 1st end
Details
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.Media For Which Designed
hydraulic fluid, petroleum base single response
Details
The type of media for which the item is designed.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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 0MP2749 | 33068 | 5 | - | 5 | 1 | - | HD |
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 |
|---|---|---|---|
| 64490 | - | P | P |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| 1 | 594 | Z | 9 |
Certified Supplier
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Manufacturer
NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
CAGE: 10001
WASHINGTON
, DC
, 20376
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-003-8640
What is the NIIN of the NSN 4820-00-003-8640?
The National Item Identification Number (NIIN) of the NSN 4820-00-003-8640 is 00-003-8640
When the NSN 4820-00-003-8640 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sat, May 27, 1972
Does the NSN 4820-00-003-8640 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-003-8640 contain any hazardous material?
No data in HMIRS
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