NCS2-3-9

NCS239 Self-locking Stud

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Datasheet. NCS2-3-9 specification

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

3a nut thread

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 thread

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.526in. ⁓17/32"

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.155in. and 0.159in.

Head Length
A measurement of the longest dimension of a head,in distinction from width.

0.036in. and 0.040in.

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

SELF-Clinching head

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.562in. ⁓9/16"

Distance Across Flats
The distance across the flats.

0.188in.

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

56 nut thread

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

0.086in. nut thread ⁓3/32"

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

steel comp 303

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.

astm A581 assn std single 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.

passivate

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-35 fed spec single treatment response

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

SELF-Locking

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc nut thread

Answers.

What class is the thread series?

Unc nut thread

What is the style?

Self-locking

What material is the self-locking stud made of ?

Steel comp 303

What is the thread quantity per inch?

56 nut thread

What is the thread length?

0.526 inches

What is the thread direction?

Right-hand nut thread

What is the thread class?

3a nut thread

What is the NSN for NCS2-3-9?

5307-00-942-7261

What's the federal classification of NCS2-3-9?

FSC 5307 ⁓ Studs

NSN 5307-00-942-7261 STUD,SELF-LOCKING

unc nut thread thread series self-locking passivate surface treated 56 nut thread thread quantity per inch 0.562" overall length 0.526" thread length right-hand nut thread 3a nut thread thread class

NIIN
009427261
NIIN Date
12/12/65
Schedule B
 
Name Code
27783
FIIG
A051A0
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

  • - Italy 

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NCS2-3-9 / Stud,self-lockingWhat is the formal definition of this item?

A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.