Tube Coupling Nut

AN817-6

(NSN) National Stock Number

4730-00-203-9237

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, 1.094 inches nominal nut height, 0.688 inches nominal width across flats, 0.380 inches minimum and 0.383 inches maximum smallest inside diameter

DAC	HCC	DMIL	RNCC
3	-	-	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

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

1.094 inches nominal

Details

None.

Width Across Flats

0.688 inches nominal

Details

The shortest straight line between flats,perpendicular to the height.

Smallest Inside Diameter

0.380 inches minimum and 0.383 inches maximum

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

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Nominal Thread Size

0.562 inches

Details

A designation that is used for the purpose of general identification of the thread.

Nominal Tube Outside Diameter

0.375 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

33.00 degrees nominal

Details

The angle of the end surface upon which the mated surface seats.

Material

steel overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Surface Treatment

cadmium 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.

Specification/Standard Data

88044-an817 government standard

Details

The document designator of the specification or standard which established the item of supply.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
8496155	18876	1	-	5	2	-	BD
AN817-6	13899	3	-	5	9	-	AX
AN817-6	30974	3	-	5	9	-	AX
AN817-6	14798	E	-	5	9	-	AX
AN817-6	14397	3	-	5	9	-	AX
AN817-6	06581	3	-	5	9	-	AX
AN817-6	71563	3	-	5	9	-	AX
0919067-9	0AHU0	3	-	3	2	-	AX
9403488	29510	A	-	5	9	-	AX
5817X6	04255	5	-	5	9	-	SB
AN817-6	00624	6	-	5	9	-	ZZ
AS5206-06	0U583	E	-	3	2	-	ZZ
SAE-AS4841	0U583	E	-	3	1	-	ZZ
AS5206-06	81343	E	-	5	9	-	ZZ
10-00-188-009	79410	5	-	5	9	-	AX
AN817-6	88044	3	-	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
48950	-	W	-

RVC	WCC	TCC	SHC
-	573	Z	9

Certified Supplier

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Manufacturer

CROWN FITTING CO INC

CAGE: 22995

BUENA PARK , CA , 90622

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-203-9237

What is the NIIN of the NSN 4730-00-203-9237?

The National Item Identification Number (NIIN) of the NSN 4730-00-203-9237 is 00-203-9237

When the NSN 4730-00-203-9237 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Sun, Jan 1, 1961

Does the NSN 4730-00-203-9237 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-203-9237 contain any hazardous material?

No data in HMIRS

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