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Datasheet. AS1249K20 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a 2nd end
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a 1st end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared (tube) 1st end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared (tube) 2nd end
A measurement of the longest dimension of the leg,in distinction from width.
1.891in. 1st end
A measurement of the longest dimension of the leg,in distinction from width.
2.656in. 2nd end
Indicates the type of connection/s/.
threaded external tube 1st end
Indicates the type of connection/s/.
threaded external tube 2nd end
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 1st end
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 2nd end
A designation that is used for the purpose of general identification of the thread.
1.625in. 1st end ⁓1/64"
A designation that is used for the purpose of general identification of the thread.
1.625in. 2nd end ⁓2-1/64"
The angle of the end surface upon which the mated surface seats.
37.0 degrees 1st end
The angle of the end surface upon which the mated surface seats.
37.0 degrees 2nd end
The angle that the flow is turned from the straight flow.
45.0 degrees
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
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
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.
KC128C-20; machined groove in flared ends to accommodate seal rings per KC103
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 316
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
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
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
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
Answers.
Un 2nd end
Un 1st end
Steel comp 316
12 2nd end
12 1st end
3a 1st end
3a 2nd end
Schedule B number: 7307929000
Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
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 4730-01-260-4321 ELBOW,TUBE
un 2nd end thread series passivate surface treated KC128c-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
- 012604321
- NIIN Date
- 07/31/87
- Schedule B
- 7307929000
- Name Code
- 03771
- 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. | KC128C20 | Cage 22264 |
| 2. | KC128K20 | Cage 22264 |
Major End Users Countries and entities
- - National Aeronautics And Space Administration
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AS1249K20 / Elbow,tubeWhat is the formal definition of this item?
A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. it may have side or heel inlet(s). see also elbow, pipe and connector, multiple, fluid pressure line.
