Plug Cock
12Z321-1
(NSN) National Stock Number
4820-00-203-0163
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
16991
Schedule B Code
8481909090
Summary
Right-hand 1st end thread direction, right-hand 2nd end thread direction, two way two port 360 degree plug turn flow style, plain (pipe) 2nd end connection style, plain, optional end (pipe) 1st end connection style, manual valve operation method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
Identification
An item that controls the flow of a fluid by rotation of a ported plug within a suitable ported seat. It must not have any lubrication other than from the fluid controlled, nor contain any nonmetallic seal between plug and seat. See also valve, seatless and valve, plug.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 16991 | A530A0 | - | 1 |
Specifications
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 Style
two way two port 360 degree plug turn
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the flow.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
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 pipe 1st end
Details
Indicates the type of connection/s/.Features Provided
adjustable rotation stop
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Maximum Operating Pressure
125.0 pounds per square inch single response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.125 inches 1st end
Details
A designation that is used for the purpose of general identification of the thread.Nominal Thread Size
0.125 inches 2nd end
Details
A designation that is used for the purpose of general identification of the thread.Material
copper alloy body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
copper alloy flow control device
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
copper alloy seat
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.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 |
|---|---|---|---|---|---|---|---|
| 12Z321PC1 | 10001 | X | - | 3 | 2 | - | XX |
| 290777PC4 | 10001 | X | - | 3 | 2 | - | XX |
| 45C2062 | 10001 | X | - | 3 | 2 | - | XX |
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 |
|---|---|---|---|
| - | 736 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
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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 4820-00-203-0163
What is the NIIN of the NSN 4820-00-203-0163?
The National Item Identification Number (NIIN) of the NSN 4820-00-203-0163 is 00-203-0163
When the NSN 4820-00-203-0163 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-203-0163 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-203-0163 contain any hazardous material?
No data in HMIRS
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