Part Number F20321

Helical Gear

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
f20321
Demil:
No
Shelf Life:
UOM:
NIIN:
002878211

Part Information
2 integral keys 180 degrees apart in bore, 0.131 in. W, 02835 in. From bore center to top of key

NSN
National Stock Number:
3020-00-287-8211 3020002878211
TXT
Description:
Helical Gear
INC
INC
Item Name Code:
05464
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Plain, solid
MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
Between 1.1360 inches and 1.1410 inches
MRC:
The number of teeth included on the item.AJLA
Teeth Quantity:
18
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.ANTP
Bore Style:
Plain both ends
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Integral key
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
81.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
MRC:
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD
Outside Diameter:
1.2715 inches
MRC:
Indicates the type of teeth included on the item.CWMW
Teeth Type:
Single helix
MRC:
An indication as to whether the teeth are a standard depth or modified to a shorter depth.CWNH
Tooth Form:
Standard
MRC:
The direction the teeth curve when viewed from the edge of the item.CWNM
Tooth Direction:
Left
MRC:
The measurement of the pressure angle on the item.CWPP
Pressure Angle:
20.0000 degrees
MRC:
The measurement of the helix angle on the item.CWPZ
Helix Angle:
20.6665 degrees
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.CWRM
Face Width:
0.156 inches
MRC:
The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.CWRS
Bore Diameter:
0.8125 inches both ends
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
66, aisi/sae 1020 through 1025 federal standard single material response
MRC:
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.SFTT
Surface Treatment:
Zinc
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Hubless

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