Inch

THE PIPE MACHINERY COMPANY

1/2 40 NS THREAD RING GAGE .5 NO GO ONLY P.D. = .4842 QUALITY INSPECTION TOOL

PRATT & WHITNEY

1 3/16 20 NS 3 THREAD RING GAGE 1.1875 GO NO GO P.D.'S = 1.1550 & 1.1510

HEMCO / HANSON WHITNEY

1" 14 NF 3 THREAD RING GAGES 1.0 GO NO GO P.D.'S = .9536 & .9500 QUALITY TOOL

GTD/ GODWIN

1 1/4 18 NEF 2A THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.2124 & 1.2075 QUALITY

HANSON - WHITNEY

14 20 NC 3 THREAD RING GAGES #14 NO GO ONLY P.D. = .2069 QUALITY INSPECTION TOOL

G. WHALLEY

3/8 24 UNF 2A PREPLATE THREAD RING GAGE .375 GO ONLY P.D. = .3456 QUALITY TOOL

GTD

7/16 14 UNC 2A SPECIAL THREAD RING GAGE .4375 GO ONLY P.D. = .3847 QUALITY TOOL

JOHN BATH CO.

3/8 36 NS 2 THREAD RING GAGE .375 GO ONLY P.D. = .3570 QUALITY INSPECTION TOOL

S.C.C.

7/16 14 UNC 1A MODIFIED THREAD RING GAGE .4375 GO ONLY P.D. = .3874 MOD.

EXACTO

3/8 24 NF 2 LEFT HAND THREAD RING GAGE .375 NO GO ONLY P.D. = .3446 L.H. QUALITY

S.C.C.

7/16 14 UNC 2A SPECIAL THREAD RING GAGE .4375 GO ONLY P.D. = .3907 SPEC. QUALITY

G.A. CO.

7/16 14 UNC SPECIAL THREAD RING GAGE .4375 NO GO ONLY P.D. = .3942 SPEC. QUALITY