31FK-2012LH

31FK2012LH Self-locking Hexagon Nut

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Datasheet. 31FK-2012LH specification

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

3b

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 Height

0.759in. ⁓49/64"

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

1.814in. ⁓1-53/64"

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

unjf

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.

1.250in. ⁓1-1/4"

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

steel

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.

cadmium

Answers.

What material is the self-locking hexagon nut made of ?

Steel

What is the thread quantity per inch?

12

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for 31FK-2012LH?

5310-01-332-4403

How is this classified for shipping?

Schedule B number: 7318160000
Nuts of iron or steel

What's the federal classification of 31FK-2012LH?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-01-332-4403 NUT,SELF-LOCKING,HEXAGON

cadmium surface treated 12 thread quantity per inch right-hand 3b thread class

NIIN
013324403
NIIN Date
01/11/91
Schedule B
7318160000 
Name Code
05277
FIIG
A021A0
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

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

31FK-2012LH / Nut,self-locking,hexagonWhat is the formal definition of this item?

A nut having a flat bottom and 6 sides. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, cap.