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Datasheet. 4-40UNC2AX1-8 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
0.125in. ⁓1/8"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
headless (setscrew)
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.112in. (UTS #4)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ei dupont de nemours and co inc, fscm 18873 mfr ref single material response
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
Answers.
Unc
Plastic
40
Headless (setscrew)
Right-hand
2a
Schedule B number: 3926909987
Articles of plastics & articles of other materials of heading 3901 to 3914
FSC 5305 ⁓ Screws
NSN 5305-01-008-9305 SETSCREW
unc thread series 40 thread quantity per inch headless (setscrew) head style right-hand 2a thread class
- NIIN
- 010089305
- NIIN Date
- 09/01/75
- Schedule B
- 3926909987
- Name Code
- 06672
- FIIG
- A003B0
- 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
- - Turkey
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4-40UNC2AX1-8 / SetscrewWhat is the formal definition of this item?
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.
