MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
7.380 inches
MRC:
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.ABTB
Mounting Hole Diameter:
Between 0.637 inches and 0.645 inches
MRC:
The number of mounting holes provided.ABTJ
Mounting Hole Quantity:
6
MRC:
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.ADGA
Overall Outside Diameter:
Between 20.000 inches and 20.060 inches
MRC:
The length of a straight line which passes through the center of the center hole,and terminates at the circumference.ADYT
Center Hole Diameter:
Between 10.998 inches and 11.000 inches
MRC:
The spacing between the mounting holes.ALXY
Mounting Hole Spacing:
Equally spaced on 12.750 in. Min 12.754 in. Maximum bolt circle
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Iron, cast
MRC:
Indicates the braking surface location on the item.AYPQ
Braking Surface Location:
Internal
MRC:
The length of a straight line which passes through the center of the braking surface,and terminates at the circumference.AYQA
Braking Surface Diameter:
Between 17.250 inches and 17.255 inches
MRC:
The measurement taken at right angles to the length of the braking surface,in distinction from thickness.AYQB
Braking Surface Width:
6.320 inches
MRC:
An indication of whether or not a cooling fin/s/ is included.AYQF
Cooling Fin:
Not included
MRC:
An indication of whether or not an adjustment hole is included.AYQH
Adjustment Hole:
Not included
MRC:
An indication of whether or not an inspection hole is included.AYQJ
Inspection Hole:
Not included
MRC:
An indication of whether or not an oil drain hole is included.AYQK
Oil Drain Hole:
Not included
MRC:
An indication of whether or not a balancing pad(s) is included.AYQL
Balancing Pad:
Not included
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Drums, brake, vehicular
