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Datasheet. 6B4549 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.687in. ⁓11/16"
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.
0.812in. ⁓13/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
headless (setscrew)
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.562in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.375in. ⁓3/8"
A measurement of the longest dimension of the point,in distinction from width.
0.125in.
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.
0.250in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
dog
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
hexagon
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"
The shortest straight line between flats,perpendicular to the height.
0.312in. ⁓5/16"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
16
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
48.0 rockwell c and 52.0 rockwell c
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8642
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
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
Steel comp 8642
16
Headless (setscrew)
0.687 inches minimum
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-00-270-2913 SETSCREW
unc thread series cadmium surface treated 16 thread quantity per inch headless (setscrew) head style 0.687" thread length right-hand 3a thread class
- NIIN
- 002702913
- NIIN Date
- 01/01/63
- Schedule B
- 7318152000
- 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
Major End Users Countries and entities
- - Greece
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6B4549 / 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.
