SKU:

THREADS 3/8 X 24 18.05 355037-90 This jam nut is for PN: 353016-99 it has 3/8-24 threads.
THREADS 5/16 X 24 18.05 355031-90 This jam nut is for PN: 353014-99 it has 5/16-24 threads.

JACK SCREW JAM NUTS

These black anodized aluminum jam nuts keep the jack screw from backing out.