3AX31

3AX31 Setscrew

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Quality Commitment

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Datasheet. 3AX31 specification

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

2a

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

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

0.320in. ⁓21/64"

Fastener Length
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.

0.630in. ⁓41/64"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

hexagon

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.280in. ⁓9/32"

Width Between Flats

0.544in. and 0.563in.

Point Length
A measurement of the longest dimension of the point,in distinction from width.

0.220in.

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

0.310in.

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

flat

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

w/o internal drive

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.375in. ⁓3/8"

Hole Quantity
The number of holes provided.

1

Hole Type
Indicates the type of hole(s) provided in the item.

drilled

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

casehardened

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

24

Hole Configuration Style
The style designation that most nearly corresponds to the appearance of the hole configuration.

hexagon longitudinal hole

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 or zinc

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 2, cl 3 fed spec 1st treatment response or QQ-Z-325, ty 2, cl 3 fed spec 2nd treatment response

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.

unf

Answers.

What class is the thread series?

Unf

What is the thread quantity per inch?

24

What is the head style?

Hexagon

What is the thread length?

0.320 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 3AX31?

5305-00-717-9520

What's the federal classification of 3AX31?

FSC 5305 ⁓ Screws

NSN 5305-00-717-9520 SETSCREW

unf thread series cadmium or zinc surface treated 24 thread quantity per inch hexagon head style 0.320" thread length right-hand 2a thread class

NIIN
007179520
NIIN Date
01/01/61
Schedule B
 
Name Code
06672
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
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

1. 7343281 Cage 19207

Major End Users Countries and entities

  • - Austria 
  • - Spain 
  • - Greece 

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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)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other setscrews with similar characteristics

Nothing similar to this part number was found in our inventory

3AX31 / 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.