Part Number: 109C4B155N (Oval head brass semi-tubular i/) Part Number: 109C4B155OB (Oval head brass semi-tubular i/) Part Number: 109C4B155P (Oval head brass semi-tubular .06) Part Number: 109C4B15N (Oval head brass semi-tubular i/) Part Number: 109C4B15OB (Oval head brass semi-tubular i/) Part Number: 109C4B15P (Oval head brass semi-tubular .06) Part Number: 109C4B165 (Oval head brass semi-tubular .06) Part Number: 109C4B165OB (Oval head brass semi-tubular .06) Part Number: 109C4B165P (Oval head brass semi-tubular .06) Part Number: 109C4B16N (Oval head brass semi-tubular i/) Part Number: 109C4B16OB (Oval head brass semi-tubular i/) Part Number: 109C4B16P (Oval head brass semi-tubular .06) Part Number: 109C4B18 (Oval head brass semi-tubular .06) Part Number: 109C4B18OB (Oval head brass semi-tubular .06)