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Datasheet. 538026 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.
0.842in. ⁓27/32"
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.
7.562in. ⁓7-9/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.375in. ⁓3/8"
2.000in.
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.072in. ⁓5/64"
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.
0.190in. first hole and 0.195in. first hole
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
0.625in.
The depth of the process used to enlarge part of a hole.
1.810in.
0.500in.
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
1.250in. ⁓1-1/4"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
180000 pounds per square inch
The style designation that most nearly corresponds to the appearance of the hole configuration.
hexagon longitudinal hole
The distance from the shank hole centerline to the largest bearing surface of the head.
6.934in. first hole and 6.944in. first hole
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E4340
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-5000 mil spec 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.
cadmium threads
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.
chromium grip
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 head
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
counterbore unthreaded
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.
Unf
Counterbore unthreaded
Steel comp e4340
12
0.072 inches
Hexagon
0.842 inches minimum
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-00-697-0972 BOLT,INTERNALLY RELIEVED BODY
unf thread series counterbore unthreaded cadmium head surface treated 12 thread quantity per inch 0.072" hole diameter hexagon head style 0.842" thread length right-hand 3a thread class
- NIIN
- 006970972
- NIIN Date
- 01/01/63
- Schedule B
- 7318152000
- Name Code
- 06676
- 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
- - Greece
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538026 / Bolt,internally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.
