Working Plug Gages for Checking Threaded Holes

1.430 24 NS 3 THREAD PLUG GAGE 1.43 1.4300 GO NO GO P.D.'S = 1.4029 & 1.4069 - DW27354RD

TAFT PEIRCE

1 3/8 12 NF THREAD PLUG GAGE 1.375 1.3750 GO ONLY P.D. = 1.3209 UNF 2B OR 3B - DW27353RD

PRATT & WHITNEY

1" 8 NC 2 THREAD PLUG GAGE 1.0 1.00 1.000 GO NO GO P.D.'S = .9188 & .9264 UNC-2 - DW27351RD

PRATT & WHITNEY

1 1/2 18 NEF 2B THREAD PLUG GAGE 1.5 1.50 1.500 NO GO ONLY P.D. = 1.4704 UNEF-2B - DW27352RD

PRATT & WHITNEY

3/4 20 NS 3 THREAD PLUG GAGE .75 .750 .7500 GO NO GO P.D.'S = .7175 & .7205 - DW27345RD

SHEFFIELD

1 1/8 12 NF 3 THREAD PLUG GAGE 1.125 GO NO GO P.D.'S = 1.0709 & 1.0749 UNF-3 - DW27343RD

SHOP MADE 2.873 8 THREAD PLUG GAGE 2.8730 2.873"-8 GO AND NO GO - DW27341RD

SHOP MADE 4 5/8 16 THREAD PLUG GAGE 4.625 4.6250 GO ONLY P.D. = 4.587 CHECK - DW27331AM4

SHOP MADE 4 7/8 16 THREAD PLUG GAGE 4.875 4.8750 4 7/8"-16 INSPECTION GO ONLY - DW27330AM4

SHOP MADE 4 7/8 12 THREAD PLUG GAGE 4.875 4.8750 4 7/8"-12 INSPECTION CHECK - DW27338AM4

SHOP MADE 4 1/4 12 THREAD PLUG GAGE 4.25 4.250 4 1/4"-12 INSPECTION CHECK - DW27329AM4

SHOP MADE 2.062 24 THREAD PLUG GAGE 2.0620 2 1/16 2.0625 INSPECTION CHECK - DW27326AM4