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 0.610 inches and 0.645 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat countersunk undercut
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.045 inches and 0.051 inches
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 0.155 inches and 0.159 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 0.326 inches and 0.344 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
Between 99.5 degrees and 100.5 degrees
MRC:
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.HEAT
Heat Treatment:
T-4 solution heat treated
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 2024
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81755-c1001 manufacturers specification control