Tube Coupling Nut

MIL-F-5509A

(NSN) National Stock Number

4730-00-287-0290

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

03859

Schedule B Code

7609000000

Summary

3b thread class, right-hand thread direction, machined or forged fabrication method, tube coupling nut style, 0.969 inches nominal nut height, 0.996 inches minimum and 1.003 inches maximum width across flats

DAC	HCC	DMIL	RNCC
E	-	-	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.

Fabrication Method

machined or forged

Details

The process used in manufacturing the item.

Nut Style

tube coupling

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

Nut Height

0.969 inches nominal

Details

None.

Width Across Flats

0.996 inches minimum and 1.003 inches maximum

Details

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

Length To Shoulder

0.817 inches nominal

Details

None.

Smallest Inside Diameter

0.698 inches minimum and 0.701 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

0.875 inches

Details

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

Nominal Tube Outside Diameter

0.625 inches

Details

The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.

Special Features

used on grumman aircraft,model a10

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 2014 overall

Details

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

Material Document And Classification

qq-a-225/4,t6 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

anodize 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
3100766	001JK	4	-	5	2	-	9Z
3100766	S4956	4	-	5	9	-	ZF
290-10D	R1120	6	-	5	2	-	ZG
10108347	A486G	9	-	6	9	-	WF
3100766	FB459	4	-	5	2	-	ZF
4730PL0741553	9009H	9	-	6	9	-	WP
4730PL1700209	9009H	9	-	6	9	-	WP
4730PL1731170	9009H	9	-	6	9	-	WP
8167563	18876	E	-	5	1	-	AX
C8176560	18876	E	-	5	9	-	AX
AN818-10D	22995	6	-	5	9	-	AX
111557D10	17446	5	-	C	1	-	ZZ
11DHD10	14798	E	-	5	9	-	AX
AN818-10D	14798	6	-	5	9	-	AX
30211	14397	E	-	5	9	-	AX
AA557D10	06581	E	-	5	1	-	AX
5069D10	17341	E	-	5	9	-	AX
GA7080D10	03647	E	-	5	9	-	AX
111557D10	97928	E	-	5	9	-	AX
477 702	77294	4	-	5	1	-	9Z
AN818-10D	32142	6	-	5	1	-	ZZ
290-10D	00624	E	-	5	1	-	XX
GN10FF10C	26512	E	-	C	1	-	AX
720335-10	56232	A	-	5	1	-	AX
731857-110	56232	E	-	5	9	-	AX
105-01557-19010	01276	5	-	C	1	-	ZZ
105-01557-19010	79470	E	-	5	9	-	AX
AS4841	0U583	E	-	5	1	-	ZZ
AS4841	81343	E	-	5	9	-	ZZ
C557D10	81755	A	-	5	1	-	AX
AN818	88044	E	-	4	1	-	ZZ
AN818-10D	88044	E	-	2	2	-	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
05680	-	Q	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

CAGE: 81349

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FAQs

Frequently asked questions for NSN 4730-00-287-0290

What is the NIIN of the NSN 4730-00-287-0290?

The National Item Identification Number (NIIN) of the NSN 4730-00-287-0290 is 00-287-0290

When the NSN 4730-00-287-0290 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-287-0290 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-287-0290 contain any hazardous material?

No data in HMIRS

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