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Critical tolerances and fit
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
Between 1.490 inches and 1.510 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
Between 0.390 inches and 0.400 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
Between 0.244 inches and 0.245 inches
First Flat Length:
1.320 inches
Flat Height:
Between 0.244 inches and 0.245 inches
MRC:
A measurement of the longest dimension of the beveled edge of the key,in distinction from width.ACJF
Key Chamfer Length:
Between 0.020 inches and 0.030 inches
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Feat
MRC:
The physical configuration of the starting edge of the item.CSPJ
Starting Edge Shape:
Chamfered
MRC:
The included angle of the beveled edge of the key.CSXB
Key Chamfer Angle:
Between 44.0 degrees and 46.0 degrees
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130
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-6758 military specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Stepped
