Poppet Drain Cock
633971-1
(NSN) National Stock Number
4820-00-203-9392
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
16989
Schedule B Code
8481909090
Summary
3a 1st end thread class, right-hand 1st end thread direction, poppet flow control device, manual valve operation method, 18 1st end thread quantity per inch, 60.0 pounds per square inch 1st response maximum operating pressure
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | TU |
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
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.Valve Operation Method
manual
Details
The means used to control the operation of the valve.Thread Quantity Per Inch
18 1st end
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Maximum Operating Pressure
60.0 pounds per square inch 1st response
Details
The maximum pressure at which the item is rated for operation.Nominal Thread Size
0.562 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.Material
aluminum alloy body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Media For Which Designed
fuel/oil, hydrocarbon single response
Details
The type of media for which the item is designed.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.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 |
|---|---|---|---|---|---|---|---|
| 740B1 | 91511 | 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 |
|---|---|---|---|
| - | 576 | Z | 9 |
Certified Supplier
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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA
, GA
, 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-203-9392
What is the NIIN of the NSN 4820-00-203-9392?
The National Item Identification Number (NIIN) of the NSN 4820-00-203-9392 is 00-203-9392
When the NSN 4820-00-203-9392 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-203-9392 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-203-9392 contain any hazardous material?
No data in HMIRS
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