Part Number: 07656-3 (Bracket) Part Number: 07657-00309 (Sealing washer) Part Number: 076571 (Spacer) Part Number: 076-57127 (Gasket) Part Number: 076-57127A (Gasket) Part Number: 076575 (Plug) Part Number: 0765750000004001 (Honeywell-hobbs) Part Number: 07657501 (Honeywel) Part Number: 076575C (Pressure switch/4 psi) Part Number: 0765-75L (Cap) Part Number: 0765760000010001 (Honeywell-hobbs) Part Number: 076576D (Pressure switch/10 psi) Part Number: 0765770000004001 (Honeywell-hobbs) Part Number: 076577C (Pressure switch/steel/4psi)