MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Copper alloy casting, qq-c-390; white alkyd gloss enamel finish, tt-e-489; 4.281 in. Flange dia; 0.281 in. Thk flange; 0.875 in. Diameter axial through hole; three mtg slots 0.281 in. Min 0.297 in. Maximum w by 0.562 in. Lg spaced 120 degrees apart on 3.500 in. Diameter bolt circle; 1.656 in. Thk o/a; 2.750-4na-2g thd by 0.781 in. Lg on one end w/keyed cbore 1.570 in. Min 1.575 in. Maximum diameter by 0.781 in. Dp; one key way 0.781 in. Lg by 0.218 in. W by 0.125 in. H; undercut 2.406 in. Diameter by 0.594 in. W, with flatted surface parallel to axis and spaced 1.094 in. From axis; two thd mtg holes located in flatted area 0.138-32unc-2b by 0.250 in. Dp spaced 0.687 in. Between centers
