Standard Locknut
WWL INDUSTRIES 120.0016 FOR OVERRUNNING CLUTCH ASSEMBLY BDW TYPE A, ABOUT 13" ID
A nice touch from SUPERMICRO is the quick-release fan assembly.
STANDARD LOCKNUT AN19 3.73-12" THREAD SIZE, 4-15/16" OD, 4.563" FACE DIA.
You will find that the stainless steel parts are non-reactive with acidic substances.
0.198" Slot x 1.3125"OD 1026 Grade Steel Lock Nut QTY 4
Omni Tools are a dependable choice for both beginners and experienced users.