Vent Plug
20535A440
(NSN) National Stock Number
5340-01-047-9747
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
28458
Schedule B Code
8421990080
Summary
3a thread class, 0.171 inches nominal inside diameter, 0.613 inches nominal thread length, 0.684 inches minimum and 0.692 inches maximum outside diameter, 0.438 inches nominal length, threaded end connection type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A ported item with or without external threads. The port(s) may contain a filtering disk or wire fabric. It is designed to be inserted into an opening in a cylinder, pump, regulator, valve, housing, casing, or the like, to permit the free flow of fluid from or to the atmosphere. Excludes:breather.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 28458 | A539T0 | - | 1 |
Specifications
Thread Class
3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Inside Diameter
0.171 inches nominal
Details
The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.Thread Length
0.613 inches nominal
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Outside Diameter
0.684 inches minimum and 0.692 inches maximum
Details
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.Length
0.438 inches nominal
Details
A measurement of the longest dimension of any object,in distinction from width.End Connection Type
threaded
Details
Indicates the type of end connection.Refinement Medium Type
filtering
Details
Indicates the type of refinement medium.Refinement Device Type
wire fabric
Details
Indicates the type of refinement device provided.Vent Hole Quantity
1
Details
The number of vent holes provided on the item.Vent Hole Shape
round
Details
The physical configuration of the vent hole.Special Features
flats width 0.364
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 or aluminum alloy 2024 or aluminum alloy 7075
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-a-225/4, alloy 2014 fed spec single material response or qq-a-225/6, alloy 2024 fed spec single material response or qq-a-225/9, alloy 7075 fed spec single material response
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.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 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 Size And Series/Type Designator
0.438-20 unf
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 20535-A-4-40W | 10989 | 1 | - | 5 | 9 | - | KZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| P | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 96965 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
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Manufacturer
PALL AEROPOWER CORPORATION
CAGE: 18350
NEW PORT RICHEY
, FL
, 34654-5111
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-01-047-9747
What is the NIIN of the NSN 5340-01-047-9747?
The National Item Identification Number (NIIN) of the NSN 5340-01-047-9747 is 01-047-9747
When the NSN 5340-01-047-9747 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Fri, Sep 16, 1977
Does the NSN 5340-01-047-9747 contain any precious metals?
Type/content is unknown
Does the NSN 5340-01-047-9747 contain any hazardous material?
No information in HMIRS
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