{Collins} Parts ID

["Bob Arenella" <rja12@xxxxxxxxxxx>]

Hello all,
                    Can anyone help identify these parts:

                    278 1721 00
                    278 0668 00
                    278 0665 00
                    918 0010 00
                   117 0010 001
                    970 1921 000
                    970 1921 000
                    970 1922 00
                    376 2147 00
                    543 8078 002
                    917 1071 000
                    

                    I've looked through a number of manuals and come up empty. Any help greatly appreciated.

tnx & 73,
bob 
n2oam