Tube to Boss Elbow

AN922-20D

(NSN) National Stock Number

4730-00-194-1083

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22679

Schedule B Code

7609000000

Summary

3a 1st end bulkhead thread class, 3a all ends thread class, flared (tube) all ends connection style, 1.578 inches nominal 2nd end leg length, 2.656 inches nominal 1st end leg length, threaded external tube all ends connection type

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	SB

Identification

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end 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 other end 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 or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

INC	FIIG	Concept	Condition
22679	A080B0	-	1

Specifications

Thread Class

3a 1st end bulkhead

Details

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

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

1.578 inches nominal 2nd end

Details

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

Leg Length

2.656 inches nominal 1st end

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 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 all ends

Details

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

Flow Angle

45.0 degrees

Details

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

Nominal Outside Diameter Tube Accommodated

1.250 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 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.

Surface Treatment Document And Classification

mil-a-8625 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 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.

Specification/Standard Data

88044-an837 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
165597	00198	3	-	5	9	-	AX
4730PL1939223	9009H	9	-	6	9	-	WP
AN837-20D	22995	E	-	5	9	-	AX
AN837-20D	13899	E	-	5	9	-	AX
AN837-20D	30974	3	-	5	9	-	AX
AN837-20D	14798	E	-	5	9	-	AX
AN837-20D	14397	E	-	5	9	-	AX
AN837-20D	06581	E	-	5	9	-	AX
AN837-20D	71563	3	-	5	9	-	AX
165597	77445	3	-	5	9	-	AX
AN837-20D	00624	E	-	5	9	-	AX
AS1040D2020	0U583	E	-	3	2	-	ZZ
AS4841	0U583	E	-	5	9	-	ZZ
SAE-AS4841	0U583	E	-	3	1	-	ZZ
AS1040D2020	81343	E	-	5	9	-	ZZ
AS4841	81343	E	-	5	9	-	ZZ
6-70215	81205	5	-	5	9	-	SB
AN837-20D	88044	3	-	5	9	-	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
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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Manufacturer

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

CAGE: 88044

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FAQs

Frequently asked questions for NSN 4730-00-194-1083

What is the NIIN of the NSN 4730-00-194-1083?

The National Item Identification Number (NIIN) of the NSN 4730-00-194-1083 is 00-194-1083

When the NSN 4730-00-194-1083 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-194-1083 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-194-1083 contain any hazardous material?

No data in HMIRS

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