Question

All datums and tolerances to be on an MMC basis unless otherwise specified. 1) Surfaces marked A, B, and C are primary, secondary and tertiary datums respectively 2) A composite positional tolerancing is required for the $\phi$ .250 holes. The positional tolerance value is .010 referenced to datums A, B, and C in that order and within the pattern is .004 referenced to datum A. 3) A flatness tolerance of .004 is required for datum B. 4) The top Surface is to be parallel within .008 with the bottom surface 5) The right side surface is to be perpendicular within .005 with the bottom surface. $-8X \phi$ 0.188 $^{+0.005}_{-0.000}$ $3X \phi$ 0.250 $^{+0.006}_{-0.000}$ $-6X \phi$ 0.125 $^{+0.004}_{-0.002}$

          All datums and tolerances to be on an MMC basis unless otherwise specified.
1) Surfaces marked A, B, and C are primary, secondary and tertiary datums respectively
2) A composite positional tolerancing is required for the $\phi$ .250 holes.
The positional tolerance value is .010 referenced to datums A, B, and C in that order
and within the pattern is .004 referenced to datum A.
3) A flatness tolerance of .004 is required for datum B.
4) The top Surface is to be parallel within .008 with the bottom surface
5) The right side surface is to be perpendicular within .005 with the bottom surface.
$-8X \phi$ 0.188 $^{+0.005}_{-0.000}$ 
$3X \phi$ 0.250 $^{+0.006}_{-0.000}$ 
$-6X \phi$ 0.125 $^{+0.004}_{-0.002}$

All datums and tolerances to be on an MMC basis unless otherwise specified.
1) Surfaces marked A, B, and C are primary, secondary and tertiary datums respectively
2) A composite positional tolerancing is required for the ϕ .250 holes.
The positional tolerance value is .010 referenced to datums A, B, and C in that order
and within the pattern is .004 referenced to datum A.
3) A flatness tolerance of .004 is required for datum B.
4) The top Surface is to be parallel within .008 with the bottom surface
5) The right side surface is to be perpendicular within .005 with the bottom surface.
-8X ϕ 0.188 ^+0.005-0.000
3X ϕ 0.250 ^+0.006-0.000
-6X ϕ 0.125 ^+0.004-0.002

Added by Julie F.

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