Inch

METRO

1 1/2 27 NS 2 THREAD RING GAGES 1.5 GO NO GO P.D.'S= 1.4759 & 1.4709 TOOL 1/2-27

VERMONT

4 40 UNC 2A PREPALTE VERMONT THREAD RING GAGES #4 .112 GO NO GO PDS .0941 .0920

SHEFFIELD

1/2 27 THREAD RING GAGES .5 GO NO GO PD'S = .4744 & .4693 INSPECTION TOOL 1/2-27

FLAN-CO

5/16 24 UNF 2A MODIFIED THREAD RING GAGES .3125 GO NO GO PDS= .2824 & .2800 MOD.

G.A. CO.

1/2 20 NF 2 SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S = .4665 & .4639 1/2-20

12 40 UNS 2A PREPLATE THREAD RING GAGES 12-40 GO NO GO P.D.'S= .1967 & .1947 B/P

G.A. CO.

8 32 UNC 3A SPECIAL THREAD RING GAGES #8 .164 GO NO GO PDS = .1417 & .1390 SPEC.

ALAMEDA

9/16 24 NEF 2 THREAD RING GAGES .5625 GO NO GO P.D.'S = .5354 & .5314 INSPECITON

S.G. CO.

9/16 27 UNS 2A THREAD RING GAGES .5625 GO NO GO P.D.'S = .5345 & .5320 9/16-27

G.A. CO.

1/4 20 UNC PREPLATE THREAD RING GAGE .25 GO ONLY P.D. = .2139 INSPECTION TOOL

12 40 UNS 2A THREAD RING GAGES #12 .216 GO NO GO P.D.'S = .1989 & .1959 12-40

10 32 UNS 2A PREPLATE THREAD RING GAGES #10 .190 GO NO GO P.D.'S = .1676 & .1646