Tube to Boss Tee

AN783J20

(NSN) National Stock Number

4730-00-402-5177

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22683

Schedule B Code

7307994000

Summary

3a 2nd end thread class, 3a 1st end bulkhead thread class, 3b 3rd end thread class, flared (tube) 2nd end connection style, flared (tube) 1st end connection style, gasket seal (boss) 3rd end connection style

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
1	-	-	AX

Identification

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes:connector, multiple, fluid pressure line.

INC	FIIG	Concept	Condition
22683	A080B0	-	1

Specifications

Thread Class

3a 2nd end

Details

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

Thread Class

3a 1st end bulkhead

Details

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

Thread Class

3b 3rd end

Details

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

Connection Style

flared (tube) 2nd end

Details

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

Connection Style

flared (tube) 1st end

Details

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

Connection Style

gasket seal (boss) 3rd end

Details

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

Leg Length

1.718 inches nominal 3rd end

Details

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

Leg Length

2.250 inches nominal 2nd end

Details

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

Leg Length

3.031 inches nominal 1st end

Details

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

Connection Type

threaded external tube 1st end

Details

Indicates the type of connection/s/.

Connection Type

threaded external tube 2nd end

Details

Indicates the type of connection/s/.

Connection Type

threaded internal boss 3rd end

Details

Indicates the type of connection/s/.

Thread Quantity Per Inch

12 1st end bulkhead

Details

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

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

1.625 inches 1st end bulkhead

Details

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

Nominal Thread Size

1.625 inches all ends

Details

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

Seat Angle

37.0 degrees 2nd end

Details

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

Seat Angle

37.0 degrees 1st end

Details

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

Nominal Outside Diameter Tube Accommodated

1.250 inches 1st end

Details

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

Nominal Outside Diameter Tube Accommodated

1.250 inches 2nd end

Details

The nominal length of a straight line which passes through the center of the accommodated 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

66 fed std 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.

Surface Treatment Document And Classification

mil-f-14072,e300,ty2 mil spec single treatment response outside

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.

Surface Treatment Document And Classification

mil-s-5002 mil spec single treatment response inside

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 1st end bulkhead

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.

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.

Furnished Items And Quantity

1 preformed packing

Details

The name and number of those parts furnished with the item of supply that have not been specified elsewhere.

Specification/Standard Data

88044-an783 professional/industrial association 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
AN783J20	22995	E	-	5	9	-	AX
AN783J20	13899	E	-	5	1	-	AX
AN783J20	30974	E	-	5	1	-	AX
AN783J20	14397	E	-	5	9	-	AX
AN783J20	71563	E	-	5	9	-	AX
AN783J20	00624	E	-	5	1	-	AX
AN783J20	14728	E	-	5	1	-	AX
AN783J20	88044	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
30000	-	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.

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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 4730-00-402-5177

What is the NIIN of the NSN 4730-00-402-5177?

The National Item Identification Number (NIIN) of the NSN 4730-00-402-5177 is 00-402-5177

When the NSN 4730-00-402-5177 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Apr 17, 1970

Does the NSN 4730-00-402-5177 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-402-5177 contain any hazardous material?

No data in HMIRS

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