[{'ITEMNO': None}, {'ITEM_TYPE': None}, {'CASE_QYT': None}, {'MIN_MINMAX_QUANTITY': None}, {'MAX_MINMAX_QUANTITY': None}, {'ONHAND': None}, {'ONHAND_SUBINV': None}, {'LOCATOR': None}, {'ORGANIZATION_ID': None}, {'INVENTORY_ITEM_ID': None}, {'CREATION_DATA': None}, {'INVENTORY_ITEM_STATUS_CODE': None}]

[{'ITEM_TYPE': 'SPR_ITEM_CPR'}, {'MIN_MINMAX_QUANTITY': '2'}, {'MAX_MINMAX_QUANTITY': '3'}, {'ONHAND': '162'}, {'ONHAND_SUBINV': 'RSP-SPARES'}, {'LOCATOR': '.RJG005D'}, {'ORGANIZATION_ID': '300000002445681'}, {'INVENTORY_ITEM_ID': '100000001537040'}, {'CREATION_DATE': '01-08-17'}, {'INVENTORY_ITEM_FLAG': 'Y'}, {'INVENTORY_ITEM_STATUS_CODE': 'Active'}]

[{'ITEMNO': None}, {'ITEM_TYPE': 'SPR_ITEM_CPR'}, {'CASE_QTY': None}, {'MIN_MINMAX_QUANTITY': '2'}, {'MAX_MINMAX_QUANTITY': '3'}, {'ONHAND': '162'}, {'ONHAND_SUBINV': 'RSP-SPARES'}, {'LOCATOR': '.RJG005D'}, {'ORGANIZATION_ID': '300000002445681'}, {'INVENTORY_ITEM_ID': '100000001537040'}, {'CREATION_DATE': '01-08-17'}, {'INVENTORY_ITEM_FLAG': 'Y'}, {'INVENTORY_ITEM_STATUS_CODE': 'Active'}]

new_dict = {k: dict2.get(k, v) for k, v in dict1.items()}

new_dict = {k: dict2.get(k, None) for k in dict1}