AS21911

AS21911 Tube To Boss Tee

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Datasheet. AS21911 specification

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

3a 3rd end

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

3a 1st end

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

3a 1st end bulkhead

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

3b 2nd end

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

aircraft, hercules C-130

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

external seat for gasket seal (boss) 3rd end

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

flareless (tube) 1st end

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

gasket seal (boss) 2nd end

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

1.094in. 3rd end

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

1.672in. 1st end

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

0.750in. 2nd end

Connection Type
Indicates the type of connection/s/.

threaded external boss 3rd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 1st end

Connection Type
Indicates the type of connection/s/.

threaded internal boss 2nd end

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

0.438in. 1st end bulkhead ⁓1/64"

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 1st end

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

feat

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. 1st end

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.

used on grumman aircraft, model A10; weapon system essential

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

steel

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.

cadmium

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.

unjf all ends

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.

unjf 1st end bulkhead

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

96906-MS21911 government standard

Answers.

When was the most recent contract awarded?

On 05/04/2012 under contract SPM7M312V3807 for qty 35

What quantity is this sold in?

1EA

What class is the thread series?

Unjf 1st end bulkhead

What class is the thread series?

Unjf all ends

What material is the tube to boss tee made of ?

Steel

What is the thread class?

3b 2nd end

What is the thread class?

3a 1st end bulkhead

What is the thread class?

3a 1st end

What is the thread class?

3a 3rd end

What is the NSN for AS21911?

4730-00-278-8398

How is this classified for shipping?

Schedule B number: 7307992000
nmfc 052190
Other fittings nesoi of iron or nonalloy steel

What's the federal classification of AS21911?

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 4730-00-278-8398 TEE,TUBE TO BOSS

Used on aircraft, hercules c-130. unjf 1st end bulkhead thread series cadmium surface treated used on grumman aircraft, model A10; weapon system essential 3b 2nd end thread class

NIIN
002788398
NIIN Date
01/01/61
Schedule B
7307992000 
Name Code
22683
FIIG
A080B0
Item Weight
0.300lbs
Item Dimensions
--
QUP
Historical Price
$165.70 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. MS21911V4P Cage 81343
3. MS21911-4 Cage 96906
4. AS18280 Cage 81343
5. MS21911V4P Cage 81343
6. MS21911-4 Cage 96906
7. AS18280 Cage 81343
8. MS21911V4P Cage 81343
9. MS21911-4 Cage 96906

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
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)
052190 PIPE,TUBING,OR PIPE OR TUBING FITTI 
UFC (universal freight code)
30000 

Similar by Design Other tees with similar characteristics

Nothing similar to this part number was found in our inventory

AS21911 / Tee,tube to bossWhat is the formal definition of this item?

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.