AS21906

AS21906 Tube Cross

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Datasheet. AS21906 specification

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

3a all ends

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

aircraft application

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

flareless (tube) all ends

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

0.875in. all ends

Connection Type
Indicates the type of connection/s/.

threaded external tube all ends

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

0.438in. all ends ⁓29/64"

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

12.0 degrees all ends

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

0.250in. all ends

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

aluminum material is 7075

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

aluminum

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-A-367, T6 fed spec single material response

Surface Treatment
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.

anodize

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

MIL-A-8625, type 2, class 1 mil spec single treatment response

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

unf all ends

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

96906-MS21906 government standard

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf all ends

What material is the tube cross made of ?

Aluminum

What is the thread class?

3a all ends

What is the NSN for AS21906?

4730-00-595-0381

How is this classified for shipping?

Schedule B number: 7609000000
nmfc 051400
Aluminum tube or pipe fittings (couplings,elbows sleeves)

What's the federal classification of AS21906?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-00-595-0381 CROSS,TUBE

Used on aircraft application. unf all ends thread series anodize surface treated aluminum material is 7075 3a all ends thread class

NIIN
005950381
NIIN Date
01/01/63
Schedule B
7609000000 
Name Code
08532
FIIG
A080B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$82.95 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. AS18280 Cage 81343
2. MS21906W4 Cage 81343
3. ER827-4D Cage 14798
4. MS21906D4 Cage 96906
5. ER827-4D Cage 79470
6. ER827-4D Cage 01276
7. MS21906D4 Cage 81343

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - Brazil 
  • - Spain 
  • - Israel 
  • - Kuwait 
  • - Malaysia 
  • - Australia 
  • - Canada 
  • - Germany 
  • - Republic of Korea 
  • - Portugal 
  • - Italy 
  • - Greece 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
051400 PIPE FITTINGS ALUMINUM 
UFC (universal freight code)
29700 

Similar by Design Other cros with similar characteristics

Nothing similar to this part number was found in our inventory

AS21906 / Cross,tubeWhat is the formal definition of this item?

A fitting having four branches in the same plane whose axes form right angles. the connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or are unthreaded and designed to accommodate a tube. it is designed to be used as a junction at the intersection of tubing and/or tube fittings. it may have side inlet(s).