LB5004Aftermarket Seal Part LB5004 Price includes shippingAvailable Qty: 6SN1 O-ring Kit + LB5004 SN1 O-ring Kit Seal LB5004 Price includes shippingAvailable Qty: 5Senco SN1 Feeder Spring Kit YK0020Senco SN1 Finish Nailer Feeder Spring Kit Includes parts Feeder Spring KB5191End Piece GB0146End Piece GB01472 Pins Pre '84 and Post '84InstructionsAvailable Qty: 1 Post navigation Senco SNI SN1 Finish Nailer Parts lb5004