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Datasheet. NCS2-3-9 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.526in. ⁓17/32"
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.
A measurement of the longest dimension of a head,in distinction from width.
0.036in. and 0.040in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
SELF-Clinching head
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
0.562in. ⁓9/16"
The distance across the flats.
0.188in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
56 nut thread
A designation that is used for the purpose of general identification of the thread.
0.086in. nut thread ⁓3/32"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303
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
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
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
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
SELF-Locking
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.
Unc nut thread
Self-locking
Steel comp 303
56 nut thread
0.526 inches
Right-hand nut thread
3a nut thread
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.
