Poppet Drain Cock
50B3
(NSN) National Stock Number
4820-00-083-1275
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
16989
Schedule B Code
8481909090
Summary
3b 1st end thread class, right-hand 1st end thread direction, poppet flow control device, 160.0 deg fahrenheit single response maximum operating temp, gasket seal (boss) 1st end connection style, automatic valve operation method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
Identification
An item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 16989 | A530C0 | - | 1 |
Specifications
Thread Class
3b 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.Maximum Operating Temp
160.0 deg fahrenheit single response
Details
The maximum temperature at which the item is rated to operate for an extended period of time.Connection Style
gasket seal (boss) 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 internal boss 1st end
Details
Indicates the type of connection/s/.Maximum Operating Pressure
20.0 pounds per square inch 1st response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.437 inches 1st end
Details
A designation that is used for the purpose of general identification of the thread.Special Features
mounting flange 1.500 from port end; body style is straight through
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
aluminum alloy body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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 1 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.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 |
|---|---|---|---|---|---|---|---|
| 128SCP167-3 | 79RG9 | 2 | - | 7 | 2 | - | ZZ |
| 128SCP167-3 | 26512 | 2 | - | 7 | 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 |
|---|---|---|---|
| - | 671 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-083-1275
What is the NIIN of the NSN 4820-00-083-1275?
The National Item Identification Number (NIIN) of the NSN 4820-00-083-1275 is 00-083-1275
When the NSN 4820-00-083-1275 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-083-1275 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-083-1275 contain any hazardous material?
No data in HMIRS
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