A781475

A781475 Externally Relieved Body Bolt

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Datasheet. A781475 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.

0.172in. and 0.219in. ⁓7/32"

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.

0.640in. and 0.687in. ⁓11/16"

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.

0.219in. ⁓7/32"

Width Between Flats

0.428in. and 0.440in.

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

0.070in. ⁓5/64"

First Diameter From Head

0.246in. and 0.249in.

Second Diameter From Head

0.196in. and 0.206in.

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.230in. and 0.240in.

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

0.468in.

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

0.250in. ⁓1/4"

Hole Quantity
The number of holes provided.

6

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

drilled

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

28

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

hexagon flats

Externally Relieved Body Diameter Quantity
The number of externally relieved diameters on the body,adjacent to the head.

2

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

steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4037 or steel comp 4140 or steel comp 4130

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-6049 mil spec 1st material response or MIL-S-6050 mil spec 2nd material response or MIL-S-6098 mil spec 3rd material response or ams 6300 assn std 4th material response or MIL-S-5626 mil spec 5th material response or MIL-S-6758 mil spec 6th material 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 material is the externally relieved body bolt made of ?

Steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4037 or steel comp 4140 or steel comp 4130

What is the thread quantity per inch?

28

What is the inside hole diameter?

0.070 inches

What is the head style?

Hexagon

What is the thread length?

0.172 inches minimum and 0.219 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for A781475?

5306-00-145-0770

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 A781475?

FSC 5306 ⁓ Bolts

NSN 5306-00-145-0770 BOLT,EXTERNALLY RELIEVED BODY

unf thread series 28 thread quantity per inch 0.070" hole diameter hexagon head style 0.172" thread length right-hand 3a thread class

NIIN
001450770
NIIN Date
04/16/69
Schedule B
7318152000 
Name Code
06675
FIIG
A003B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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A781475 / Bolt,externally relieved bodyWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). it is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. excludes bolt, internal wrenching and thumbscrew. see also screw, externally relieved body.