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Two protruding keys 0.219 in. Long on aa end, 0.125 in w 0.938 in diameter counterbore relief 1.031 from bb end
MRC:
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.AAWY
Counterbore Diameter:
0.812 inches and 1.562 inches
MRC:
The depth of the process used to enlarge part of a hole.AAWZ
Counterbore Depth:
1.031 inches and 0.375 inches
MRC:
The length of a straight line which passes through the center of an item,and terminates at the outside circumference.ABHE
Outside Diameter:
3.296 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
1.469 inches
MRC:
The length of a straight line which passes through the center of a bolt circle,and terminates at the circumference.ABKG
Bolt Circle Diameter:
1.875 inches
MRC:
A measurement of the smallest dimension of a flange,in distinction from length or width.ABKU
Flange Thickness:
0.188 inches
MRC:
Designates the thread diameter and number of threads per specific measurement scale.ABUJ
Thread Size:
10-32
MRC:
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.ABXV
Bore Diameter:
Between 0.630 inches and 0.635 inches
MRC:
A measurement of the longest dimension of a bore.ADGE
Bore Length:
1.250 inches
MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
3.038 inches
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the outside circumference.AHTC
Flange Outside Diameter:
2.250 inches
MRC:
The number of holes provided for securing the item in a fixed position.AHYF
Securing Hole Quantity:
3
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.AQPL
Face Width:
Between 0.234 inches and 0.297 inches
MRC:
An indication of whether or not a guide is included.AQWM
Guide:
Not included
MRC:
The physical configuration of the item.ARJD
Design Form:
Plain
MRC:
Indicates the type of bore used on the item.ASBP
Bore Type:
Straight
MRC:
A numeric value,used in conjunction with a hardness rating scale,designating the metallic hardness rating and its location.ASXJ
Metallic Hardness Rating And Location:
26.0 rockwell c body and 32.0 rockwell c body
MRC:
An indication of whether or not a counterbore feature is included.AXND
Counterbore Feature:
Included
MRC:
Indicates the location of the counterbore on the item.BDYS
Counterbore Location:
Bb end
MRC:
Indicates the location of the hole on the item.BFYT
Hole Location:
On sprocket face
MRC:
An indication of whether or not a keying facility is included.BSGG
Keying Facility:
Not included
MRC:
The means by which the item is secured.BSNP
Securing Method:
Threaded hole
MRC:
An indication of whether or not a lightening hole/s/ is included.BXSJ
Lightening Hole:
Not included
MRC:
An indication of the characteristic of the protruding hub.BYDZ
Protruding Hub Characteristic:
Plain
MRC:
Indicates the location for securing the item.BYFF
Securing Location:
Bb end
MRC:
Designates the belt,chain,or film size for which the item is designed.BYFH
Belt/chain/film Size For Which Designed:
Roller chain
MRC:
Indicates the type of roller chain pitch for which the item is designed.BYFJ
Roller Chain Pitch Type For Which Designed:
Single pitch
MRC:
The number of rows of teeth provided.BYFL
Teeth Row Quantity:
1
MRC:
The number of teeth included in each row.BYFN
Teeth Quantity Per Row:
19
MRC:
The american standards association number by which the chain is identified.BYFP
Asa Standard Chain Number:
40
MRC:
The means used to test the rated hardness of an item.BYFQ
Hardness Rating Test Method:
Rockwell
MRC:
A numeric value that reflects the hardness of the teeth when used in conjunction with a hardness rating scale.BYFR
Teeth Hardness Rating:
Between 50.0 rockwell c and 55.0 rockwell c
MRC:
An indication of whether or not a bore bearing is included.BYFS
Bore Bearing:
Not included
MRC:
An indication of whether or not a hub external keyway is included.BYFW
Hub External Keyway:
Not included
MRC:
The center to center distance between teeth measured along the pitch line.BYGF
Tooth Pitch:
0.500 inches
Hub End Outside Diameter And Location:
1.875 inches aa end
Distance From Outside Flange/rim To Hub End And Location:
1.063 inches bb end
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, qq-s-624, fs4140-canceled or steel, qq-s-624, fs4150-canceled
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140 or steel comp 4150
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:
Qq-s-624, fs4140-canceled federal specification 1st material response and qq-s-624, fs4150-canceled federal specification 2nd 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:
Phosphate
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain
MRC:
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.SURF
Surface Treatment:
Phosphate
