Need help identifying a few components.

[Bruce Larrabee]

Hello Folks,

Can anyone here identify these parts.

First two different switch parts (I think):

Top and bottom of first part:

Top and bottom of second part:

Then there is this button:

Last is this component, I assume it is a pulse transformer but I can't identify it positively:

Thanks in advance for you help!

Bruce

[Kerem Kapkin (Silicon Valley, CA)]

5th looks like a hp-41 card reader side latch. However this is my best guess.

Edited: 31 Jan 2012, 5:26 p.m.

[Paul Berger (Canada)]

The first two are indeed contacts for a key switches each key module had one of each type in it.