Part Number: 109C4B18OB (Oval head brass semi-tubular .06) Part Number: 109C4B18P (Oval head brass semi-tubular .06) Part Number: 109C4B19 (Oval head brass semi-tubular .06) Part Number: 109C4B19P (Oval head brass semi-tubular .06) Part Number: 109C4B2 (Oval head brass semi-tubular .06) Part Number: 109C4B20 (Oval head brass semi-tubular .06) Part Number: 109C4B20N (Oval head brass semi-tubular .06) Part Number: 109C4B20P (Oval head brass semi-tubular .06) Part Number: 109C4B25CC (Oval head brass semi-tubular .06) Part Number: 109C4B25CY (Oval head brass semi-tubular .06) Part Number: 109C4B25N (Oval head brass semi-tubular i/) Part Number: 109C4B25NB (Oval head brass semi-tubular .06) Part Number: 109C4B25OB (Oval head brass semi-tubular i/) Part Number: 109C4B25P (Oval head brass semi-tubular .06)