Part Number: 1520CHS (Hardware) Part Number: 1520CK (Ne) Part Number: 1520CSFL (Flat socket head cap) Part Number: 1520CSP (Screw, soc cap 1/4-28 x 1-1/4 al) Part Number: 1520CS-SS (No description) Part Number: 1520-CT (Ne) Part Number: 1520D (Ne) Part Number: 1520D157M006AS (Kemet) Part Number: 1520-DC (Bridgeport) Part Number: 1520E (Filter assy) Part Number: 1520EBC0406 (Ancra) Part Number: 1520EBC0612 (Ancra) Part Number: 1520F0000-000 (Control) Part Number: 1520F55A08 (Available)