MS21912-5

MS219125 Tube Tee
Home » Catalog » Fittings (p. 2356) » Tube Tees (p. 82) » Part Number MS21912-5

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Datasheet. MS21912-5 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

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.

1.031in. 2nd end and 1.078in. 2nd end

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

1.031in. 3rd end and 1.078in. 3rd end

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

1.531in. 1st end and 1.578in. 1st 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

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

0.500in. 1st end ⁓1/64"

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

0.500in. 2nd end ⁓2-1/64"

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

0.500in. 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.

0.312in. 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.

0.312in. 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.

0.312in. 3rd end

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

steel comp 1137 or steel comp 1141 and steel comp 4130 and steel comp 4140

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-S-637 fed spec 1st material response or QQ-S-637 fed spec 2nd material response and MIL-S-6758 mil spec 3rd material response and MIL-S-5626 mil spec 4th 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.

cadmium inside

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 outside

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.

QQ-P-416, ty 1, cl 2 fed spec single treatment response inside

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.

QQ-P-416, ty 1, cl 2 fed spec single treatment response outside

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 1st 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.

unf 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.

unf 2nd end

Answers.

What class is the thread series?

Unf 2nd end

What class is the thread series?

Unf 3rd end

What class is the thread series?

Unf 1st end

What material is the tube tee made of ?

Steel comp 1137 or steel comp 1141 and steel comp 4130 and steel comp 4140

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 MS21912-5?

4730-00-448-9505

How is this classified for shipping?

Schedule B number: 7307994000
Other fittings nesoi of alloy steel not stainless

What's the federal classification of MS21912-5?

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 4730-00-448-9505 TEE,TUBE

unf 2nd end thread series cadmium outside surface treated 3a 1st end thread class

NIIN
004489505
NIIN Date
05/13/70
Schedule B
7307994000 
Name Code
03809
FIIG
A080B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Republic of Korea 
  • - Portugal 

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Nothing similar to this part number was found in our inventory

MS21912-5 / 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.