31FK-2012

31FK2012 Self-locking Hexagon Nut

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Datasheet. 31FK-2012 specification

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

3b

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

1.052in. and 1.064in. ⁓1-5/64"

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

unf

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

16

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

0.750in. ⁓3/4"

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

steel

Answers.

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

Steel

What is the thread quantity per inch?

16

What is the thread class?

3b

What is the NSN for 31FK-2012?

5310-01-332-6356

How is this classified for shipping?

Schedule B number: 7318160000
Nuts of iron or steel

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

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 5310-01-332-6356 NUT,SELF-LOCKING,HEXAGON

16 thread quantity per inch 3b thread class

NIIN
013326356
NIIN Date
01/14/91
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-2012 / 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.