NAS1291-6

NAS12916 Self-locking Extended Washer Nut

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Datasheet. NAS1291-6 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

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

prevailing torque all metal design

Washer Outside Diameter

0.620in.

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.269in. and 0.282in.

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

hexagon

Washer Thickness

0.030in.

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

0.430in. and 0.440in. ⁓29/64"

Temp Rating
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

550.0 deg fahrenheit

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.

24

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

0.375in. ⁓3/8"

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 extended washer nut made of ?

Steel

What is the thread quantity per inch?

24

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for NAS1291-6?

5310-00-833-2239

How is this classified for shipping?

Schedule B number: 7318160000
Nuts of iron or steel

What's the federal classification of NAS1291-6?

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 5310-00-833-2239 NUT,SELF-LOCKING,EXTENDED WASHER

cadmium surface treated 24 thread quantity per inch right-hand 3b thread class

NIIN
008332239
NIIN Date
01/01/62
Schedule B
7318160000 
Name Code
29730
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

  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - New Zealand 
  • - France 
  • - Republic of Korea 
  • - United Kingdom 
  • - Italy 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

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Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

NAS1291-6 / Nut,self-locking,extended washerWhat is the formal definition of this item?

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.