AS1251K20

AS1251K20 Tube Nipple

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Datasheet. AS1251K20 specification

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.

flared (tube) 1st end

Connection Type
Indicates the type of connection/s/.

threaded external tube 1st 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 1st end

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

1.625in. 1st end ⁓1/64"

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

37.0 degrees 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. 1st end

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

2.281in.

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.

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 outside

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

flared w/ center wrenching facility

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 1st end

Answers.

What class is the thread series?

Un 1st end

What is the style?

Flared w/ center wrenching facility

What material is the tube nipple made of ?

Steel comp 316

What is the thread quantity per inch?

12 1st end

What is the thread class?

3a 1st end

What is the NSN for AS1251K20?

4730-01-011-2278

How is this classified for shipping?

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

What's the federal classification of AS1251K20?

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 4730-01-011-2278 NIPPLE,TUBE

un 1st end thread series flared w/ center wrenching facility passivate outside surface treated machined groove in flared ends to accommodate seal rings per KC103 12 1st end thread quantity per inch 3a 1st end thread class

NIIN
010112278
NIIN Date
10/20/75
Schedule B
7307994000 
Name Code
03783
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. KC126C20 Cage 22264
2. KC126K20 Cage 22264

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 

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Similar by Design Other nipples with similar characteristics

Nothing similar to this part number was found in our inventory

AS1251K20 / Nipple,tubeWhat is the formal definition of this item?

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. it may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. it may include nuts, sleeves, and/or grommets.