Rockwell hardness 38-42
No other part numbers with same form, fit, and function found.
NSN 6145-01-626-4159
NSN 5996-01-319-1845
NSN 5835-01-535-0948
NSN 5998-00-233-6392
NSN 5930-00-277-4704
NSN 6650-01-385-7151
NSN 5998-01-457-8118
NSN 6620-01-240-3361
NSN 5895-01-193-0106
NSN 6240-01-076-5231
NSN 6135-01-365-2707
NSN 7035-01-307-5366