MRC | Criteria | Characteristic |
---|---|---|
TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL-CAST IRON; FLAT BASE; 3.500 IN. W BY 6.500 IN. LG; ONE SIDE MACHINED FLAT,OPPOSITE SIDE CENTRAL BOSS W/FOUR RIBS EXTENDING TO CORNERS; BOSS DRILLED AND TAPPED TO ACCEPT APPROPRIATE EXTENSION TUBES |