help to find out this thread type?

[ferarri01]

Hello
can you help me find out what is the type of thread with the following information? i search and didnt find any standard for it.
tpi: 16
(threads on the shaft)male major diameter: 112.6 mm
(threads on the locknut) female minor diameter: 111.2 mm
it is a warman locknut and i want to find its thread type

 

[Artisi]

Ask Weir Engineering, now the owners of Warman pumps.

It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)