Part Number: 027-0170 (Optosigma) Part Number: 027-0172-RC (Delta-2001-585-002 rev c pcb) Part Number: 027017302 (Plug) Part Number: 027-018-03 (Contact) Part Number: 027-01815 (Plug,machine threade) Part Number: 027-0182-00 (Delta-2001-587-002 pcb) Part Number: 027-01833 (Plug) Part Number: 027018B (No description) Part Number: 027-01986 (Pin) Part Number: 02701BCB (No description) Part Number: 02701BDA (No description) Part Number: 02701EBTI (No description) Part Number: 02701FATI (No description) Part Number: 02701LPS (02701 lps precision clean gal)