Tube Coupling Nut

AN818-8J

AN818-8J
(NSN) National Stock Number
4730-00-203-2662
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03859
Schedule B Code
7318160000
Summary

3b thread class, right-hand thread direction, tube coupling nut style, 0.844 inches nominal nut height, 0.875 inches nominal width across flats, 0.723 inches nominal length to shoulder

DAC HCC DMIL RNCC
E - - 2
RNVC SADC MSDS RNAAC
2 - - 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
3b
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal 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
0.844 inches nominal
Details None.
Width Across Flats
0.875 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Length To Shoulder
0.723 inches nominal
Details None.
Smallest Inside Diameter
0.570 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
unf
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
0.750 inches
Details A designation that is used for the purpose of general identification of the thread.
Nominal Tube Outside Diameter
0.500 inches
Details The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.
Material
steel comp 304 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-s-763 fed spec single material response 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.
Surface Treatment
passivate overall
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
10111303 A486G 9 - 6 9 - WF
829946-1 A0072 4 - 5 9 - ZG
829946-1 A0810 4 - 8 2 - ZG
4730PL0741550 9009H 9 - 6 9 - WP
4730PL1776747 9009H 9 - 6 9 - WP
525-629-90106 99193 6 - C 1 - ZZ
NK818-8J 26233 5 - C 1 - ZZ
AN818-8J 22995 5 - 5 9 - AX
AN818-8J 17341 5 - 5 9 - AX
6728015-8 73342 5 - 5 9 - SB
AS4841 0U583 E - 5 1 - ZZ
SAE-AS4841 0U583 E - 5 1 - ZZ
AS4841 81343 E - 5 9 - ZZ
829946-1 96214 4 - 5 9 - 9Z
416775-51 88044 4 - 5 9 - 9Z
AN818 88044 E - 5 9 - ZZ
AN818-8C 88044 E - 5 9 - AX
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
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
CAGE: 88044
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FAQs
Frequently asked questions for NSN 4730-00-203-2662
What is the NIIN of the NSN 4730-00-203-2662?
The National Item Identification Number (NIIN) of the NSN 4730-00-203-2662 is 00-203-2662
When the NSN 4730-00-203-2662 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-203-2662 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-203-2662 contain any hazardous material?
No data in HMIRS

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