Threads on shafts on some pumps are not fully threaded on position where lock nut engages on pump shaft to contain sleeve or bearing . Kindly see pic in link. W
40T - Gearbox - Troubleshooting Guide - NGC
Jam Nuts - Structural engineering general discussion - Eng-Tips
Anchor Rods with single nut - Structural engineering general discussion - Eng-Tips
image.isu.pub/200715220123-9bdacfd656965dc9994a945
DESIGN WORLD_FASTENER ENGINEERING HANDBOOK 2022 by WTWH Media LLC - Issuu
Miami Beach, Champlain Towers South apartment building collapse - Engineering Failures & Disasters - Eng-Tips
POWERTECHâ„¢ 2.4L & 3.0L Diesel Engines - Parts Manuals
IMPELLER SHAFT NUT - Pump engineering - Eng-Tips
Cts pump operator cum mechanic