5/16 24 NF 3 FILETTATURE SPINA CALIBRO .3125 GO NO GO P.D.'S = .2854 & .2878 UNF-3 CHECK
THREAD PLUG GAGE. 5/16 - 24 NF - 3. ”Gage was protected very good. Will buy from you again.”. Thread Gages. plain Pin Plug Gages. NO GO P.D. plain Bore Ring Gages.