Blue cap assembly, from Apollo spacecraft (contract NAS9-150), packed 2/68, Part Number AN929-4.
White gasket from the LM, cleaned by Bendix NASA Propellants Systems Components Lab to a Grumman LSP specification.
Black gasket, also cleaned by Bendix for the LM.
New spare parts (old stock).
The blue cap was surplus from a NASA Apollo contractor. The gaskets came from the Charles Bell estate. Bell was a NASA employee at the
Kennedy Space Center and a lifelong collector of space artifacts.