Check Valve
A51H9206-1
(NSN) National Stock Number
4820-00-009-0358
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
8481309000
Summary
3a 1st end thread class, right-hand 1st end thread direction, poppet flow control device, spring disk loading method, flared (tube) 1st end connection style, automatic valve operation method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 1 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
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
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) 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 or vertical
Details
The installed position for which the item is designed.Nominal Thread Size
0.438 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
0.250 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.Material
aluminum body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
aluminum flow control device
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
aluminum seat
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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 |
|---|---|---|---|---|---|---|---|
| 4C2218 | 99240 | 5 | - | 3 | 2 | - | KE |
| A51H9206-1 | 26512 | 1 | - | 5 | 9 | - | KE |
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 |
|---|---|---|---|
| - | 594 | Z | 9 |
Certified Supplier
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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS
CAGE: 61174
SAINT AUGUSTINE
, FL
, 32095-6200
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-009-0358
What is the NIIN of the NSN 4820-00-009-0358?
The National Item Identification Number (NIIN) of the NSN 4820-00-009-0358 is 00-009-0358
When the NSN 4820-00-009-0358 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jul 28, 1972
Does the NSN 4820-00-009-0358 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-009-0358 contain any hazardous material?
No data in HMIRS
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