1B5421

1B5421 Tube Tee
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Datasheet. 1B5421 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.

C17A aircraft engine

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

16 all ends

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

0.812in. all ends ⁓13/16"

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. all ends

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

titanium alloy

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.

unj all ends

Answers.

What class is the thread series?

Unj all ends

What material is the tube tee made of ?

Titanium alloy

What is the thread quantity per inch?

16 all ends

What is the thread class?

3a all ends

What is the NSN for 1B5421?

4730-01-398-8440

How is this classified for shipping?

Schedule B number: 8108908000
Other wrought titanium

What's the federal classification of 1B5421?

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 4730-01-398-8440 TEE,TUBE

Used on c17a aircraft engine. unj all ends thread series 16 all ends thread quantity per inch 3a all ends thread class

NIIN
013988440
NIIN Date
11/09/94
Schedule B
8108908000 
Name Code
03809
FIIG
A080B0
QUP
 
Historical Price
$209.00 EA
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

  • - Department of The Air Force 

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Similar by Design Other tees with similar characteristics

Nothing similar to this part number was found in our inventory

1B5421 / 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.