MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Square or rectangular recess
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.309 inches and 0.333 inches
MRC:
Indicates the type of device used to fasten the item.ADQB
Securing Device Type:
Special
MRC:
The style designation indicating the configuration that most nearly corresponds to the shape of the mounting opening.ADQK
Mounting Opening Shape Style:
Unthreaded hole
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:
Plastic polyamide and plastic epoxy
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Mil-c-22750 type 1 military specification all treatment responses