Where can I buy 400005?

400005 is available from Digi-Key, Hotenda, Digi-Key. See pricing comparison above.

400005 Mueller Electric Co | Test and Measurement | DigiKey

Brand name, Manufacturer name, Manufacturer, Attribute01	Mueller Electric Co
Attribute00	Test and Measurement
Attribute02	Case
Attribute03	Obsolete
Attribute04	DMM Kit
Attribute05	Alligator Clips, Banana Plug Adapters, Grabbers, Test Leads
AttributeKey00	Category
AttributeKey01	Mfr
AttributeKey02	Series
AttributeKey03	Package
AttributeKey04	Part Status
AttributeKey05	Kit Type
AttributeKey06	Contents
Extra Product Name	400005 Mueller Electric Co \| Test and Measurement \| DigiKey
atoms, moq, multiple	1
MPN	400005
qtyInStock	0
SKU	314-1047-ND

Seller	SKU	MOQ	Multiple
Digi-Key	314-1047-ND	1	1
Hotenda	H4140796	1	1
Digi-Key	304611	1	1