EWSN26M7

EWSN26M7 Self-locking Double Hexagon Nut

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. EWSN26M7 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

Lubrication
A substance designed to provide a reduction of friction between the two surfaces in contact.

dry film lubricant

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

double hexagon

Nut Height

0.373in. ⁓3/8"

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

0.679in. and 0.690in. ⁓45/64"

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

450.0 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.

unjf

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

20

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

38.0 rockwell c and 45.0 rockwell c

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

0.438in. ⁓29/64"

Bearing Surface Type
Indicates the type of bearing surface.

chamfered

Bearing Surface Finish
Designates the specific roughness rating of the bearing surface,representing the arithmetic average deviation of the surface from the meanline in profile.

125.0 microinches

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

steel comp 8630 or steel comp 601 or steel comp 8740 or steel comp H11

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 6280 assn std 1st material response or ams 6304 assn std 2nd material response or ams 6322 assn std 3rd material response or ams 6485 assn std 4th material response

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

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 3 fed spec single treatment response

Answers.

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

Steel comp 8630 or steel comp 601 or steel comp 8740 or steel comp h11

What is the thread quantity per inch?

20

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for EWSN26M7?

5310-00-031-1046

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of EWSN26M7?

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 5310-00-031-1046 NUT,SELF-LOCKING,DOUBLE HEXAGON

cadmium surface treated 20 thread quantity per inch right-hand 3b thread class

NIIN
000311046
NIIN Date
10/26/72
Schedule B
7318160000 
Name Code
05276
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$47.90 EA
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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Brazil 
  • - Singapore 
  • - Malaysia 
  • - Republic of Korea 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

EWSN26M7 / Nut,self-locking,double hexagonWhat is the formal definition of this item?

A nut having 12 drive points and 24 sides. the bearing surface may be washer faced. an integral locking feature is incorporated in the design of the head or in the threads.