Part Number: 11442160 (Switch) Part Number: 114421-62 (O2 mask) Part Number: 11442175 (Retainer) Part Number: 11442176 (Retainer) Part Number: 11442183 (Retainer, packing) Part Number: 11442185 (Actuator) Part Number: 114422 (Mask crew) Part Number: 114422-01 (Back foam) Part Number: 11442208 (Cable nipple,electrical) Part Number: 11442208-1 (Nipple) Part Number: 11442208-2 (Cable nipple,electrical) Part Number: 11442212 (Bearing) Part Number: 11442215 (Cover) Part Number: 11442220 (Holder)