Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
http://www.steelsoldiers.com/upload/M35/TM9-2320-361-24P.pdf
Page 182 might help to identify things. Part number: 8
I think Gimpyrob is probably correct. :-D