21T191D8-4-8

21T191D848 Tube Tee
Home » Catalog » Fittings (p. 1893) » Tube Tees (p. 65) » Part Number 21T191D8-4-8

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Datasheet. 21T191D8-4-8 specification

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

3a 2nd end

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

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

275.0 deg fahrenheit single response

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

flareless (tube) 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.

flareless (tube) 2nd end

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

1.164in. 2nd end

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

1.273in. 1st end

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

1.273in. 3rd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 1st end

Connection Type
Indicates the type of connection/s/.

threaded external tube 2nd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 3rd end

Maximum Operating Pressure
The maximum pressure at which the item is rated for operation.

3000.0 pounds per square inch single response

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

0.438in. 2nd end ⁓2-1/64"

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

0.750in. 1st end ⁓1/64"

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

0.750in. 3rd end ⁓3-1/64"

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

12.0 degrees 1st end

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

12.0 degrees 2nd end

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

12.0 degrees 3rd end

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.

0.500in. 1st end

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.

0.500in. 2nd end

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.

0.500in. 3rd end

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

aluminum alloy 2014 or aluminum alloy 2024

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 1st material response or QQ-A-225/6, T6 fed spec 2nd material response

Media For Which Designed
The type of media for which the item is designed.

fluid single 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 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.

unjf 2nd end

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 3rd end

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

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

81349-MIL-F-18280 government specification and 76283-21T191 manufacturers standard

Answers.

What class is the thread series?

Unjf 1st end

What class is the thread series?

Unjf 3rd end

What class is the thread series?

Unjf 2nd end

What material is the tube tee made of ?

Aluminum alloy 2014 or aluminum alloy 2024

What is the thread class?

3a 1st end

What is the thread class?

3a 3rd end

What is the thread class?

3a 2nd end

What is the NSN for 21T191D8-4-8?

4730-01-069-7697

What's the federal classification of 21T191D8-4-8?

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 4730-01-069-7697 TEE,TUBE

unjf 1st end thread series anodize surface treated 3a 1st end thread class

NIIN
010697697
NIIN Date
12/23/78
Schedule B
 
Name Code
03809
FIIG
A080B0
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. MIL-F-18280 Cage 81349

Major End Users Countries and entities

  • - Saudi Arabia 

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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)
50.0
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
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
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

21T191D8-4-8 / Tee,tubeWhat 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 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 may have side inlet(s). it is used as a junction at the intersection of a tube or tube fitting.