4020647

4020647 Externally Relieved Body Bolt

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Datasheet. 4020647 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.

0.215in. and 0.275in. ⁓9/32"

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.

0.961in. and 0.981in. ⁓63/64"

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

double hexagon w/hole

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

0.248in. and 0.268in. ⁓9/32"

Width Between Flats

0.250in.

Extended Washer Diameter

0.365in. and 0.385in.

Extended Washer Thickness

0.040in.

First Diameter From Head

0.244in. and 0.246in.

Second Diameter From Head

0.142in. and 0.146in.

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

0.556in. and 0.576in.

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

0.706in. and 0.746in.

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

0.190in. (UTS #10)

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

32

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

30.0 rockwell c and 38.0 rockwell c

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

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.

ams 6304 assn std 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.

chromium

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.

ams 2406 assn std single 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.

unjf

Answers.

What class is the thread series?

Unjf

What material is the externally relieved body bolt made of ?

Steel

What is the thread quantity per inch?

32

What is the head style?

Double hexagon w/hole

What is the thread length?

0.215 inches minimum and 0.275 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 4020647?

5306-00-395-7273

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 4020647?

FSC 5306 ⁓ Bolts

NSN 5306-00-395-7273 BOLT,EXTERNALLY RELIEVED BODY

unjf thread series chromium surface treated 32 thread quantity per inch double hexagon w/hole head style 0.215" thread length right-hand 3a thread class

NIIN
003957273
NIIN Date
04/12/74
Schedule B
7318152000 
Name Code
06675
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
40 X 30 X 3
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

Major End Users Countries and entities

  • - Singapore 
  • - Belgium 
  • - Republic of Korea 
  • - Netherlands 
  • - Portugal 
  • - Denmark 
  • - Norway 

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Nothing similar to this part number was found in our inventory

4020647 / 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.