KC144C4-20

KC144C420 Tube Reducer
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Datasheet. KC144C4-20 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 1st end

Reducer Type
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).

concentric

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

flared (tube) 1st end

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

flared (tube) 2nd 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

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

12 2nd end

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

1.625in. 2nd end ⁓2-1/64"

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

0.438in. 1st end ⁓1/64"

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

37.0 degrees 1st end

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

37.0 degrees 2nd 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

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.

1.250in. 2nd end

Nominal Overall Length
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

2.564in.

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.

KC144C4-20; machined groove in flared ends to accommodate seal rings per KC103

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

steel comp 316

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-763, cond a 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.

passivate

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.

un 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.

unf 1st end

Answers.

What class is the thread series?

Unf 1st end

What class is the thread series?

Un 2nd end

What material is the tube reducer made of ?

Steel comp 316

What is the thread quantity per inch?

12 2nd end

What is the thread class?

3a 1st end

What is the thread class?

3a 2nd end

What is the NSN for KC144C4-20?

4730-01-258-8433

How is this classified for shipping?

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

What's the federal classification of KC144C4-20?

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 4730-01-258-8433 REDUCER,TUBE

unf 1st end thread series passivate surface treated KC144C4-20; machined groove in flared ends to accommodate seal rings per KC103 12 2nd end thread quantity per inch 3a 1st end thread class

NIIN
012588433
NIIN Date
07/09/87
Schedule B
7307994000 
Name Code
08506
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. KC144K4-20 Cage 22264
2. AS4328K0420 Cage 81343

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 

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Similar by Design Other reducers with similar characteristics

Nothing similar to this part number was found in our inventory

KC144C4-20 / Reducer,tubeWhat is the formal definition of this item?

A straight tube fitting having a different size connection on each end. it is designed to join two tubes of different sizes. excludes bushing (as modified).