Material of Construction NO.DescriptionMaterialQty. 1End Piece304 / 316 / 316 L02 2Body304 / 316 / 316 L01 3Ball304 / 316 / 316 L01 4SeatPTFE / Glassfild02 5"O" RingPTFE / Glassfild02 6Gland RingPTFE / Glassfild02 7Spindle304 / 316 / 316 L01 8Gland Nut304 / 316 / 316 L01 9Stud30404 10Nut30408 11Washer30408 12Dome Nut30401 13Handle30401