Products > Hardware - Nuts > AN316 Thin Check Nut
These nuts can carry half the load of an AN315 nut. They are used as a locking device for plain nuts, screws, rod ends etc.

Order by part number AN316 followed by size code and “L” or “R” for left or right hand thread.
ThreadSize
1/4” UNF-4
5/16” UNF-5
3/8” UNF-6
7/16” UNF-7
1/2” UNF-8
9/16” UNF-9