MRC:
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
Fastener Length:
Between 0.4275 inches and 0.4475 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flush (flat) countersunk (included angle - less than 135 degrees w or w/o chamfer)
MRC:
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.AAZE
Shank Diameter:
Between 0.1240 inches and 0.1280 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.AAZF
Shank Style:
Straight w/radius chamfered tip
Head Major Diameter:
Between 0.2210 inches and 0.2290 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
Between 99.5 degrees and 100.5 degrees
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 2117
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:
Chromate
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-5541, cl 1a military specification single treatment response