Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Tooth form per asa b29.9-1958, maxcumulative pitch err 0.001
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 0.9000 inches and 0.9081 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 1.230 inches and 1.270 inches
MRC:
The number of splines on or in the item.ABSA
Spline Quantity:
21
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 0.8125 inches and 0.8140 inches
MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
Between 1.248 inches and 1.268 inches
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.AQPL
Face Width:
Between 0.440 inches and 0.460 inches
MRC:
An indication of whether or not a guide is included.AQWM
Guide:
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:
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:
0.450 inches
MRC:
The number of grooves provided.AXHQ
Groove Quantity:
1
MRC:
An indication of whether or not a counterbore feature is included.AXND
Counterbore Feature:
Not included
MRC:
Indicates the position of the groove(s) on the item.BDRB
Groove Position:
In center
MRC:
A measurement of the spline pitch diameter.BDTX
Spline Pitch Diameter:
Between 0.4219 inches and 0.8438 inches
MRC:
Indicates the type of guide provided.BMHW
Guide Type:
Groove
MRC:
The means by which the item is secured.BSNP
Securing Method:
Slotted
MRC:
An indication of whether or not a lightening hole/s/ is included.BXSJ
Lightening Hole:
Not included
MRC:
Designates the belt,chain,or film size for which the item is designed.BYFH
Belt/chain/film Size For Which Designed:
Silent chain
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:
21
MRC:
The american standards association number by which the chain is identified.BYFP
Asa Standard Chain Number:
B29.9-1958
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:
The center to center distance between teeth measured along the pitch line.BYGF
Tooth Pitch:
0.188 inches
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, qq-s-763, class 6, type a or cres 410, qq-s-763, class 3, type f
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 416 or cres 410, qq-s-763, class 3, type f
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-763, class 6, type a federal specification 1st 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:
Passivate
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:
Passivated
