Tube Elbow

AN821-28D

(NSN) National Stock Number

4730-00-194-1049

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

03771

Schedule B Code

Summary

3a all ends thread class, flared (tube) all ends connection style, 2.812 inches minimum all ends and 2.815 inches maximum all ends leg length, threaded external tube all ends connection type, 12 all ends thread quantity per inch, 2.250 inches 1st end nominal thread size

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
1	-	-	AX

Identification

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

INC	FIIG	Concept	Condition
03771	A080B0	-	1

Specifications

Thread Class

3a all ends

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Connection Style

flared (tube) all ends

Details

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

Leg Length

2.812 inches minimum all ends and 2.815 inches maximum all ends

Details

A measurement of the longest dimension of the leg,in distinction from width.

Connection Type

threaded external tube all ends

Details

Indicates the type of connection/s/.

Thread Quantity Per Inch

12 all ends

Details

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

Nominal Thread Size

2.250 inches 1st end

Details

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

Seat Angle

37.0 degrees all ends

Details

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

Flow Angle

90.0 degrees

Details

The angle that the flow is turned from the straight flow.

Nominal Outside Diameter Tube Accommodated

1.750 inches all ends

Details

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

Material

aluminum alloy 2014 overall or aluminum alloy 2024 overall

Details

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

Material Document And Classification

qq-a-225/4 fed spec single material response overall or qq-a-225/6sftt2xxdana000 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.

Surface Treatment Document And Classification

mil-a-8625,type 2,class 2 mil spec single treatment response overall

Details

The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

Thread Series Designator

unj all ends

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
AN821-28D	22995	E	-	5	9	-	AX
AN831-28D	13899	E	-	5	1	-	AX
AN821-28D	30974	E	-	5	1	-	AX
AN821-28D	14798	E	-	5	9	-	AX
AN821-28D	14397	E	-	5	1	-	AX
AN821-28D	71563	E	-	5	9	-	AX
AN821-28D	00624	E	-	5	1	-	AX
AN821-28D	88044	E	-	5	9	-	AX
MS24401D28	96906	E	-	2	2	-	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
00000	-	W	-

RVC	WCC	TCC	SHC
-	576	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
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HAZMAT Certified
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Manufacturer

ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY

CAGE: 06581

NORTH HOLLYWOOD , CA , 91605-6128

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-194-1049

What is the NIIN of the NSN 4730-00-194-1049?

The National Item Identification Number (NIIN) of the NSN 4730-00-194-1049 is 00-194-1049

When the NSN 4730-00-194-1049 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 4730-00-194-1049 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-194-1049 contain any hazardous material?

No data in HMIRS

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