Tube Coupling Nut
N20311B
(NSN) National Stock Number
4730-00-011-8540
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03859
Schedule B Code
7415290000
Summary
2b thread class, +0.6469 to 0.6531 inches thread pitch diameters, right-hand thread direction, tube coupling nut style, 1.500 inches nominal nut height, 0.812 inches nominal width across flats
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | AX |
Identification
An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes:nut (1), tube coupling, reducing; and nut (1), union.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 03859 | A021A0 | 1 | 1 |
Specifications
Thread Class
2b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Pitch Diameters
+0.6469 to 0.6531 inches
Details
The minimum and maximum pitch diameter limits of a straight screw thread.Thread Direction
right-hand
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.Nut Style
tube coupling
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.Nut Height
1.500 inches nominal
Details
None.Width Across Flats
0.812 inches nominal
Details
The shortest straight line between flats,perpendicular to the height.Length To Shoulder
0.250 inches nominal
Details
None.Smallest Inside Diameter
0.442 inches nominal
Details
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.Thread Series
uns
Details
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.Thread Quantity Per Inch
16
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Nominal Thread Size
0.687 inches
Details
A designation that is used for the purpose of general identification of the thread.Nominal Tube Outside Diameter
0.438 inches
Details
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.Seat Angle
45.00 degrees nominal
Details
The angle of the end surface upon which the mated surface seats.Material
copper alloy 360 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-b-626,1/2 h fed spec all material responses overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Specification/Standard Data
81343-j512 professional/industrial association standard
Details
The document designator of the specification or standard which established the item of supply.Nondefinitive Spec/Std Data
4 figure
Details
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 41F7-16 | 30327 | 6 | - | 5 | 9 | - | AX |
| 41FL-7 | 93061 | 6 | - | 5 | 9 | - | AX |
| 41X7 | 79470 | 6 | - | 5 | 9 | - | AX |
| J512 | 0U583 | E | - | 5 | 1 | - | ZZ |
| SAE J512 7 010111B | 0U583 | E | - | 3 | 2 | - | ZZ |
| SAE-J512 | 0U583 | E | - | 3 | 1 | - | ZZ |
| 7 010111B | 81343 | E | - | 5 | 9 | - | AX |
| J512 | 81343 | E | - | 5 | 9 | - | AX |
| SAE J512 7 010111B | 81343 | E | - | 3 | 9 | - | ZZ |
| MS39166-6L | 96906 | E | - | 5 | 9 | - | AX |
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 |
|---|---|---|---|
| 48930 | - | Q | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
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- HAZMAT Certified
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Manufacturer
FAQs
Frequently asked questions for NSN 4730-00-011-8540
What is the NIIN of the NSN 4730-00-011-8540?
The National Item Identification Number (NIIN) of the NSN 4730-00-011-8540 is 00-011-8540
When the NSN 4730-00-011-8540 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4730-00-011-8540 contain any precious metals?
Does not contain precious metal
Does the NSN 4730-00-011-8540 contain any hazardous material?
No data in HMIRS
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