Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Bb hub end tapered, 0.376 in. Taper lg, 2.250 in. Dia, small end of taper
NSN
National Stock Number:
TXT
Description:
Sprocket Wheel
MRC:
The length of a straight line which passes through the center of the largest cross section of a spline,and terminates at the circumference.AAUJ
Spline Major Diameter:
Between 1.5500 inches and 1.5612 inches
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:
Between 1.995 inches and 2.000 inches
MRC:
The depth of the process used to enlarge part of a hole.AAWZ
Counterbore Depth:
0.188 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:
Between 3.915 inches and 3.920 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
2.438 inches
MRC:
The number of splines on or in the item.ABSA
Spline Quantity:
23
MRC:
The length of a straight line which passes through the center of the smallest cross section of a spline,and terminates at the circumference.ABSC
Spline Minor Diameter:
Between 1.3750 inches and 1.3775 inches
MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
3.599 inches
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.AQPL
Face Width:
0.343 inches
MRC:
The physical configuration of the item.ARJD
Design Form:
Plain
MRC:
Indicates the type of bore used on the item.ASBP
Bore Type:
Involute spline
MRC:
The pressure angle of the spline,expressed in degrees.AXFG
Spline Pressure Angle In Deg:
30.0
MRC:
A measurement of the longest dimension of a spline,in distinction from width.AXFH
Spline Length:
2.250 inches
MRC:
An indication of whether or not a counterbore feature is included.AXND
Counterbore Feature:
Included
MRC:
A measurement of the spline pitch diameter.BDTX
Spline Pitch Diameter:
1.4375 inches
MRC:
Indicates the location of the counterbore on the item.BDYS
Counterbore Location:
Bb end
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:
Stepped
MRC:
Indicates the location of the groove or step on the item.BYFB
Groove/step Location:
Aa 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:
18
MRC:
The american standards association number by which the chain is identified.BYFP
Asa Standard Chain Number:
50
MRC:
The means used to test the rated hardness of an item.BYFQ
Hardness Rating Test Method:
Not rated
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:
0.625 inches
Hub End Outside Diameter And Location:
2.375 inches bb end
Distance From Outside Flange/rim To Hub End And Location:
1.016 inches bb end and 1.019 inches bb end
MRC:
The largest diameter and location of the first step face.BYZL
First Step Face Largest Diameter And Location:
2.375 inches aa end
MRC:
The length and location of the first step.BYZN
First Step Length And Location:
0.500 inches aa end
MRC:
The length and location of the second step.BYZP
Second Step Length And Location:
0.578 inches aa end and 0.581 inches aa end
MRC:
The outside diameter and location of the hub end.CLYR
Hub End Outside Diameter And Location:
1.995 inches aa end and 2.000 inches aa end
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, qq-s-681, class 120-95
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 120-95
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-681, class 120-95 federal specification 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:
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
