259-1290-20

259129020 Tube Coupling Nut
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Datasheet. 259-1290-20 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2b

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

tube coupling

Nut Height

1.220in. ⁓1-15/64"

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

un

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

12

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

1.625in. ⁓1-5/8"

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

steel comp 316

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

Answers.

What material is the tube coupling nut made of ?

Steel comp 316

What is the thread quantity per inch?

12

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for 259-1290-20?

4730-01-530-1780

How is this classified for shipping?

Schedule B number: 7318160000
Nuts of iron or steel

What's the federal classification of 259-1290-20?

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 4730-01-530-1780 NUT,TUBE COUPLING

passivate surface treated 12 thread quantity per inch right-hand 2b thread class

NIIN
015301780
NIIN Date
05/17/05
Schedule B
7318160000 
Name Code
03859
FIIG
A021A0
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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Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

259-1290-20 / Nut,tube couplingWhat is the formal definition of this item?

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.