Tube Fitting Locknut

SAE-AS90991

(NSN) National Stock Number

4730-00-160-1645

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

17645

Schedule B Code

7609000000

Summary

3b thread class, right-hand thread direction, tube fitting locknut nut style, 1.614 inches minimum and 1.627 inches maximum width across flats, un thread series, 1.536 inches minimum and 1.546 inches maximum packing recess diameter

DAC	HCC	DMIL	RNCC
E	-	-	3

RNVC	SADC	MSDS	RNAAC
1	-	-	ZZ

Identification

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

INC	FIIG	Concept	Condition
17645	A021A0	-	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 fitting locknut

Details

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

Width Across Flats

1.614 inches minimum and 1.627 inches maximum

Details

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

Thread Series

Details

A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

Packing Recess Diameter

1.536 inches minimum and 1.546 inches maximum

Details

The length of a straight line which passes through the center of the packing recess,and terminates at the circumference.

Packing Recess Depth

0.049 inches minimum and 0.059 inches maximum

Details

A measurement between specified points on the packing recess,in distinction from height.

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

1.312 inches

Details

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

Nominal Tube Outside Diameter

1.000 inches

Details

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

Material

aluminum overall

Details

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

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
MS9099-16	22995	E	-	5	9	-	AX
MS9099-16	14798	E	-	5	9	-	AX
MS9099-16	14397	E	-	5	9	-	AX
MS9099-16	71563	E	-	5	9	-	AX
MS9099-16	33823	E	-	5	9	-	AX
MS9099-16	11449	6	-	5	9	-	AX
MS9099-16	00624	E	-	5	9	-	AX
MS9099-16	27606	E	-	5	9	-	AX
AS90991	0U583	E	-	5	9	-	ZZ
MS9099-16	0U583	E	-	3	2	-	ZZ
AS90991	81343	E	-	5	9	-	ZZ
MS9099-16	81343	E	-	5	9	-	ZZ
MS9099-16	96906	E	-	5	9	-	PA

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

Certified Supplier

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Manufacturer

SAE INTERNATIONAL

CAGE: 0U583

WARRENDALE , PA , 15086-7511

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-160-1645

What is the NIIN of the NSN 4730-00-160-1645?

The National Item Identification Number (NIIN) of the NSN 4730-00-160-1645 is 00-160-1645

When the NSN 4730-00-160-1645 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Oct 29, 1971

Does the NSN 4730-00-160-1645 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-160-1645 contain any hazardous material?

No data in HMIRS

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