538026

538026 Internally Relieved Body Bolt

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Datasheet. 538026 specification

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

3a

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.

0.842in. ⁓27/32"

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.

7.562in. ⁓7-9/16"

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.

0.375in. ⁓3/8"

Width Between Flats

2.000in.

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.072in. ⁓5/64"

Shank Unthreaded Hole Diameter
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

Counterbore Diameter
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.

Counterbore Depth
The depth of the process used to enlarge part of a hole.

1.810in.

Concentric Hole Diameter

0.500in.

Nominal Thread Diameter
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"

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

12

Minimum Tensile Strength
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

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

hexagon longitudinal hole

Distance From Head Largest Bearing Surface To Shank Hole Center
The distance from the shank hole centerline to the largest bearing surface of the head.

6.934in. first hole and 6.944in. first hole

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp E4340

Material Document And Classification
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

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 threads

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.

chromium grip

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 head

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

counterbore unthreaded

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 style?

Counterbore unthreaded

What material is the internally relieved body bolt made of ?

Steel comp e4340

What is the thread quantity per inch?

12

What is the inside hole diameter?

0.072 inches

What is the head style?

Hexagon

What is the thread length?

0.842 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 538026?

5306-00-697-0972

How is this classified for shipping?

Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 538026?

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.