Tube to Boss Elbow

AN821-4J

(NSN) National Stock Number

4730-00-204-3457

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22679

Schedule B Code

7307929000

Summary

3a all ends thread class, aircraft application end item identification, flared (tube) all ends connection style, 0.890 inches minimum and 0.893 inches maximum all ends leg length, threaded external tube all ends connection type, 0.438 inches all ends nominal thread size

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
1	-	-	AX

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 all ends

Details

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

End Item Identification

aircraft application

Details

The national stock number or the identification information of the end equipment for which the item is a part.

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

0.890 inches minimum and 0.893 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/.

Nominal Thread Size

0.438 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

90.0 degrees

Details

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

Nominal Outside Diameter Tube Accommodated

0.250 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.

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

unjf 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-an821 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
AN821-4J	22995	E	-	5	9	-	AX
AN821-4J	13899	E	-	5	1	-	AX
AN821-4J	30974	E	-	5	1	-	AX
AS1034J0404	59680	6	-	5	1	-	ZZ
AN821-4J	14397	E	-	5	9	-	AX
AN821-4J	71563	E	-	5	9	-	AX
AN821-4J	17341	E	-	5	9	-	AX
AS1034	0U583	E	-	5	9	-	ZZ
AS1034J0404	0U583	E	-	5	9	-	ZZ
AS4841	0U583	E	-	5	9	-	ZZ
SAE-AS4841	0U583	E	-	3	1	-	ZZ
AS1034	81343	E	-	5	9	-	ZZ
AS1034J0404	81343	E	-	5	9	-	ZZ
AS4841	81343	E	-	5	9	-	ZZ
AN821-4J	88044	E	-	5	9	-	AX
AS1034J0404	96906	6	-	5	9	-	ZZ

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.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY

CAGE: 06581

NORTH HOLLYWOOD , CA , 91605-6128

UNITED STATES

View Products

FAQs

Frequently asked questions for NSN 4730-00-204-3457

What is the NIIN of the NSN 4730-00-204-3457?

The National Item Identification Number (NIIN) of the NSN 4730-00-204-3457 is 00-204-3457

When the NSN 4730-00-204-3457 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-204-3457 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-204-3457 contain any hazardous material?

No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.