Need help identifying a few components.


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!



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

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


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

Possibly Related Threads…
Thread Author Replies Views Last Post
  Question for Valentin; Identifying Constants John Abbott (S. Africa) 16 4,150 05-23-2012, 04:24 AM
Last Post: Valentin Albillo
  Identifying equations on HP 35s Richard S 4 1,529 08-10-2010, 08:01 PM
Last Post: Richard S
  DeSoldering SMD Components easily!!! - Chipquik Thomas Chrapkiewicz 1 923 11-01-2009, 01:14 AM
Last Post: DavidShenk
  Help Appreciated Identifying Unusual HP-41 ROMS Dan Grelinger 4 1,622 04-23-2008, 02:51 PM
Last Post: Dan Grelinger
  Identifying HP-71B modules Simon Williams 5 1,508 10-24-2005, 03:25 PM
Last Post: Frank Wales
  Identifying calc type in RPL valentino ducati 11 2,601 03-15-2005, 03:32 PM
Last Post: sjthomas
  HP components Luis 3 1,242 10-29-2003, 02:03 PM
Last Post: Luis
  HP Printer Components Speck 2 999 04-18-2003, 12:58 AM
Last Post: Ellis Easley
  Identifying 82120a components Vieira, Luiz C. (Brazil) 0 679 01-22-2003, 12:23 PM
Last Post: Vieira, Luiz C. (Brazil)

Forum Jump: