Screw Stem Shutoff Cock
740A
(NSN) National Stock Number
4820-00-288-7433
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
16990
Schedule B Code
8481909090
Summary
2a 1st end thread class, right-hand 1st end thread direction, right-hand 2nd end thread direction, stem flow control device, inverted flare (tube) 1st end connection style, plain (pipe) 2nd end connection style
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A compact two-way type of valve mechanism having a one piece body and seat and a one piece stem and disk. It has no bonnet, and is not used for fine control of flow. It is used extensively in the automotive field.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 16990 | A530C0 | - | 1 |
Specifications
Thread Class
2a 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.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
stem
Details
The part that controls the flow through the item.Connection Style
inverted flare (tube) 1st end
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.Connection Style
plain (pipe) 2nd end
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.Valve Operation Method
manual
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 tube 1st end
Details
Indicates the type of connection/s/.Nominal Thread Size
0.500 inches 1st end
Details
A designation that is used for the purpose of general identification of the thread.Nominal Thread Size
0.250 inches 2nd end
Details
A designation that is used for the purpose of general identification of the thread.Seat Angle
45.0 degrees 1st end
Details
The angle of the end surface upon which the mated surface seats.Nominal Outside Diameter Tube Accommodated
0.312 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
copper alloy overall
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
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
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 |
|---|---|---|---|---|---|---|---|
| 4820002887433 | A00AM | 9 | - | 6 | 9 | - | YP |
| 1595836 | 24617 | 5 | - | 5 | 9 | - | AX |
| 1595836 | 72582 | 5 | - | 3 | 2 | - | AX |
| 7418345 | 19207 | 5 | - | 5 | 2 | - | CT |
| GAKA283755 | 57526 | 5 | - | 5 | 9 | - | ZZ |
| 1595836 | 70040 | 2 | - | 5 | 9 | - | AX |
| GAKA283755 | 23040 | 5 | - | 5 | 9 | - | AX |
| 131-50740 | 01276 | 5 | - | 3 | 2 | - | ZZ |
| 1595836 | 30379 | 6 | - | 5 | 9 | - | AX |
| 131-50740 | 79470 | 5 | - | 5 | 9 | - | AX |
| 740A | 79470 | 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 |
|---|---|---|---|
| 30330 | - | S | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 736 | Z | 9 |
Certified Supplier
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- 7 Year Sales Record Retention
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-288-7433
What is the NIIN of the NSN 4820-00-288-7433?
The National Item Identification Number (NIIN) of the NSN 4820-00-288-7433 is 00-288-7433
When the NSN 4820-00-288-7433 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-288-7433 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-288-7433 contain any hazardous material?
No data in HMIRS
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740A