Per astm f-136, packaged sterile, single use--30mm
No other part numbers with same form, fit, and function found.
NSN 5945-01-545-7126
NSN 5855-01-575-3154
NSN 5996-00-494-3621
NSN 6650-00-784-9222
NSN 5990-01-531-0487
NSN 5950-00-269-3054
NSN 6135-01-648-4875
NSN 6610-00-901-2247
NSN 5945-01-341-5650
NSN 5999-01-649-1451
NSN 5990-00-155-2306
NSN 5920-01-181-5248