MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Nha: 11453535, 11453435, 1143434. Material: 0.188 thk al, 6061-t6, qq-a-250/11. Chemical film per mil-c-5541, class 1a or class 3. 0.183-0.193 diameter 120.0 degrees csk, 0.401-0.411 diameter 8 holes outer. 0.307-0.317 diameter 3 holes inner (triagular).
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, class 1a or class 3 military specification all treatment responses