1 Required Item G2591B Spare Inert Ion Source Assembly (Inert) for 5977/5975/5973 MSD. 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each 2 Required Item G1964-60345 Capillary Puller Tool (40mm) 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each 3 Required Item G1999-20022 Screw-Set, M3 X 3L, Gold Plated 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each 4 Required Item G1964-60345 Capillary Puller Tool (40mm) 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each 5 Required Item G3870-20021 M2 X 8L Gold Plated SHC Screw 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each 6 Required Item 3050-1374 Washer-Spring Curved 2.2mm-ID 4.5mm-OD 49043 - Laboratory and Scientific Equipment and Supplies (Not Otherwise Classified) 1.00 Each