Width Between Flats:
Between 3.877 inches and 3.882 inches
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 4.140 inches and 4.150 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
Between 4.625 inches and 4.645 inches
External Straight Key Width:
Between 0.297 inches and 0.327 inches
Overall Distance Including Keys:
5.500 inches
External Key Quantity:
19
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
0.078 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel and nickel alloy
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel and nickel alloy
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:
Mil-s-5059 military specification 1st material response and qq-n-281, class a 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:
Passivate
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key
