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Datasheet. 259-221501-16-12 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a 2nd end
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2b 1st end
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).
concentric
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared (tube) 2nd end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
swivel nut, flare (tube) style 3 optional end 1st end
Indicates the type of connection/s/.
threaded external tube 2nd end
Indicates the type of connection/s/.
threaded internal tube 1st end
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 all ends
A designation that is used for the purpose of general identification of the thread.
1.312in. 1st end ⁓1/64"
A designation that is used for the purpose of general identification of the thread.
1.062in. 2nd end ⁓2-1/64"
The angle of the end surface upon which the mated surface seats.
37.0 degrees all ends
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
0.610in. 2nd end
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.150in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 316
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 all ends
Answers.
Un all ends
Steel comp 316
12 all ends
2b 1st end
2a 2nd end
Schedule B number: 7307994000
Other fittings nesoi of alloy steel not stainless
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 4730-01-530-2307 REDUCER,TUBE
un all ends thread series passivate surface treated 12 all ends thread quantity per inch 2b 1st end thread class
- NIIN
- 015302307
- NIIN Date
- 05/18/05
- 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
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Canada
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259-221501-16-12 / 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).
