diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index 46a15cfc62..27a5b24894 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -70,7 +70,7 @@ class CategoryDetail(generics.RetrieveUpdateDestroyAPIView):
     queryset = PartCategory.objects.all()
 
 
-class PartDetail(generics.RetrieveUpdateDestroyAPIView):
+class PartDetail(generics.RetrieveUpdateAPIView):
     """ API endpoint for detail view of a single Part object """
     queryset = Part.objects.all()
     serializer_class = PartSerializer
@@ -135,6 +135,7 @@ class PartList(generics.ListCreateAPIView):
         'trackable',
         'purchaseable',
         'salable',
+        'active',
     ]
 
     ordering_fields = [
diff --git a/InvenTree/part/migrations/0012_part_active.py b/InvenTree/part/migrations/0012_part_active.py
new file mode 100644
index 0000000000..c2f3b55f6c
--- /dev/null
+++ b/InvenTree/part/migrations/0012_part_active.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2 on 2019-04-28 13:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0011_auto_20190428_0841'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='part',
+            name='active',
+            field=models.BooleanField(default=True, help_text='Is this part active?'),
+        ),
+    ]
diff --git a/InvenTree/part/models.py b/InvenTree/part/models.py
index 887c983511..04d5471f92 100644
--- a/InvenTree/part/models.py
+++ b/InvenTree/part/models.py
@@ -171,6 +171,9 @@ class Part(models.Model):
     # Can this part be sold to customers?
     salable = models.BooleanField(default=False, help_text="Can this part be sold to customers?")
 
+    # Is this part active?
+    active = models.BooleanField(default=True, help_text='Is this part active?')
+
     notes = models.TextField(blank=True)
 
     def __str__(self):
diff --git a/InvenTree/part/serializers.py b/InvenTree/part/serializers.py
index 0344e46fe7..e5c23b730a 100644
--- a/InvenTree/part/serializers.py
+++ b/InvenTree/part/serializers.py
@@ -53,6 +53,7 @@ class PartSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Part
+        partial = True
         fields = [
             'pk',
             'url',  # Link to the part detail page
@@ -70,6 +71,7 @@ class PartSerializer(serializers.ModelSerializer):
             'consumable',
             'trackable',
             'salable',
+            'active',
         ]
 
 
diff --git a/InvenTree/part/templates/part/build.html b/InvenTree/part/templates/part/build.html
index 999fe7e231..84642f4de8 100644
--- a/InvenTree/part/templates/part/build.html
+++ b/InvenTree/part/templates/part/build.html
@@ -7,7 +7,9 @@
 <h3>Part Builds</h3>
 
 <div id='button-toolbar'>
+    {% if part.active %}
     <button class="btn btn-success" id='start-build'>Start New Build</button>
+    {% endif %}
 </div>
 
 <table class='table table-striped table-condensed' data-toolbar='#button-toolbar' id='build-table'>
diff --git a/InvenTree/part/templates/part/category.html b/InvenTree/part/templates/part/category.html
index cc10828f80..3d514389bc 100644
--- a/InvenTree/part/templates/part/category.html
+++ b/InvenTree/part/templates/part/category.html
@@ -115,16 +115,15 @@
         method: 'get',
         pagination: true,
         rememberOrder: true,
-        {% if category %}
         queryParams: function(p) {
             return {
+                active: true,
                 {% if category %}
                 category: {{ category.id }},
                 include_child_categories: true,
                 {% endif %}
             }
         },
-        {% endif %}
         columns: [
             {
                 checkbox: true,
@@ -160,7 +159,7 @@
                     else {
                         return '';
                     }
-                }
+                }   
             },
             {
                 field: 'total_stock',
diff --git a/InvenTree/part/templates/part/detail.html b/InvenTree/part/templates/part/detail.html
index f0bdc49df2..7b148318c9 100644
--- a/InvenTree/part/templates/part/detail.html
+++ b/InvenTree/part/templates/part/detail.html
@@ -17,7 +17,12 @@
                   <li><a href='#' id='duplicate-part' title='Duplicate Part'>Duplicate</a></li>
                   <li><a href="#" id='edit-part' title='Edit part'>Edit</a></li>
                   <li><a href='#' id='stocktake-part' title='Stocktake'>Stocktake</a></li>
-                  <li><a href="#" id='delete-part' title='Delete part'>Delete</a></li>
+                  <hr>
+                  {% if part.active %}
+                  <li><a href="#" id='deactivate-part' title='Deactivate part'>Deactivate</a></li>
+                  {% else %}
+                  <li><a href="#" id='activate-part' title='Activate part'>Activate</a></li>
+                  {% endif %}
                 </ul>
             </div>
         </h3>
@@ -141,6 +146,33 @@
                         });
     });
 
+    $('#activate-part').click(function() {
+        inventreeUpdate(
+            "{% url 'api-part-detail' part.id %}",
+            {
+                active: true,
+            },
+            {
+                method: 'PATCH',
+                reloadOnSuccess: true,
+            }
+        );
+    });
+
+    $('#deactivate-part').click(function() {
+        inventreeUpdate(
+            "{% url 'api-part-detail' part.id %}",
+            {
+                active: false,
+            },
+            {
+                method: 'PATCH',
+                reloadOnSuccess: true,
+            }
+        );
+    });
+
+
     $('#delete-part').click(function() {
         launchDeleteForm(
                          "{% url 'part-delete' part.id %}",
diff --git a/InvenTree/part/templates/part/part_base.html b/InvenTree/part/templates/part/part_base.html
index ceda740c16..79be275307 100644
--- a/InvenTree/part/templates/part/part_base.html
+++ b/InvenTree/part/templates/part/part_base.html
@@ -5,6 +5,11 @@
 {% block content %}
 
 <div class="row">
+    {% if part.active == False %}
+    <div class='alert alert-danger' style='display: block;'>
+        This part ({{ part.name }}) is not active:
+    </div>
+    {% endif %}
 <div class="col-sm-6">
     <div class="media">
       <div class="media-left">
@@ -16,7 +21,7 @@
         {% endif %}/>
       </div>
     <div class="media-body">
-        <h4>{{ part.name }}</h4>
+        <h4>{{ part.name }}{% if part.active == False %} <i>- INACTIVE</i>{% endif %}</h4>
         {% if part.description %}
         <p><i>{{ part.description }}</i></p>
         {% endif %}
diff --git a/InvenTree/part/templates/part/stock.html b/InvenTree/part/templates/part/stock.html
index a821652aae..fb620c1b7b 100644
--- a/InvenTree/part/templates/part/stock.html
+++ b/InvenTree/part/templates/part/stock.html
@@ -7,7 +7,9 @@
 <h3>Part Stock</h3>
 
 <div id='button-toolbar'>
+    {% if part.active %}
     <button class='btn btn-success' id='add-stock-item'>New Stock Item</button>
+    {% endif %}
     <div id='opt-dropdown' class="dropdown" style='float: right;'>
         <button id='stock-options' class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Options
             <span class="caret"></span></button>
diff --git a/InvenTree/part/views.py b/InvenTree/part/views.py
index d0f3a1ac01..af8559fb01 100644
--- a/InvenTree/part/views.py
+++ b/InvenTree/part/views.py
@@ -91,6 +91,17 @@ class PartCreate(AjaxCreateView):
 
         return context
 
+    def get_form(self):
+        """ Create Form for making new Part object.
+        Remove the 'default_supplier' field as there are not yet any matching SupplierPart objects
+        """
+        form = super(AjaxCreateView, self).get_form()
+
+        # Hide the default_supplier field (there are no matching supplier parts yet!)
+        del form.fields['default_supplier']
+
+        return form
+
     # Pre-fill the category field if a valid category is provided
     def get_initial(self):
         """ Get initial data for the new Part object:
@@ -169,6 +180,20 @@ class PartEdit(AjaxUpdateView):
     ajax_form_title = 'Edit Part Properties'
     context_object_name = 'part'
 
+    def get_form(self):
+        """ Create form for Part editing.
+        Overrides default get_form() method to limit the choices
+        for the 'default_supplier' field to SupplierParts that reference this part
+        """
+
+        form = super(AjaxUpdateView, self).get_form()
+
+        part = self.get_object()
+
+        form.fields['default_supplier'].queryset = SupplierPart.objects.filter(part=part)
+
+        return form
+
 
 class BomExport(AjaxView):
 
@@ -425,6 +450,9 @@ class SupplierPartCreate(AjaxCreateView):
     context_object_name = 'part'
 
     def get_form(self):
+        """ Create Form instance to create a new SupplierPart object.
+        Hide some fields if they are not appropriate in context
+        """
         form = super(AjaxCreateView, self).get_form()
         
         if form.initial.get('supplier', None):
diff --git a/InvenTree/static/script/inventree/api.js b/InvenTree/static/script/inventree/api.js
index fab1450a00..530e816f68 100644
--- a/InvenTree/static/script/inventree/api.js
+++ b/InvenTree/static/script/inventree/api.js
@@ -47,11 +47,7 @@ function inventreeUpdate(url, data={}, options={}) {
         data["_is_final"] = true;
     }
 
-    var method = 'put';
-
-    if ('method' in options) {
-        method = options.method;
-    }
+    var method = options.method || 'PUT';
 
     // Middleware token required for data update
     //var csrftoken = jQuery("[name=csrfmiddlewaretoken]").val();
@@ -69,12 +65,21 @@ function inventreeUpdate(url, data={}, options={}) {
         success: function(response, status) {
             response['_status_code'] = status;
             console.log('UPDATE object to ' + url + ' - result = ' + status);
+            if (options.success) {
+                options.success(response, status);
+            }
+            if (options.reloadOnSuccess) {
+                location.reload();
+            }
         },
         error: function(xhr, ajaxOptions, thrownError) {
             console.error('Error on UPDATE to ' + url);
             console.error(thrownError);
+            if (options.error) {
+                options.error(xhr, ajaxOptions, thrownError);
             }
-        });
+        }
+    });
 }
 
 // Return list of parts with optional filters
diff --git a/README.md b/README.md
index 5365a85c07..0801c08e97 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,10 @@ Run `make migrate` to perform all pending database migrations to ensure the data
 
 Run `make superuser` to create an admin account for the database
 
+### Launch Development Server
+
+Run `python InvenTree/manage.py runserver` to launch a (development / debug) server. InvenTree can be then accessed via a web browser at `http://127.0.0.1:8000`
+
 ### Test
 
 Run `make test` to run all code tests