Inch

S.C.C.

2 3/8 16 UN 2A THREAD RING GAGE 2.375 GO ONLY P.D. = 2.3327 2 3/8-16 UN-2A N-2A

MECCOR

1 11/16 20 UNS 1A BEFORE PLATE THREAD RING GAGES 1.687 GO NO GO = 1.651 & 1.645

MASTER GAGE

3/8 28 UNS 2A THREAD RING GAGE .375 NO GO ONLY P.D. = .3427 3/8-28 UNS-2A TOOL

BESLY

2 1/4 16 N 2 THREAD RING GAGE 2.25 NO GO ONLY P.D. = 2.2032 2 1/4-16 N-2 TOOL

G.T.D.

1 7/16 18 NS 3 THREAD RING GAGES 1.4375 GO NO GO P.D.'S = 1.4014 & 1.3974 TOOL

G.T.D.

9/16 24 NEF 3 THREAD RING GAGES .5625 GO NO GO P.D.'S = .5354 & .5326 9/16-24

S.C.C.

1 1/4 12 UNS 1A THREAD RING GAGE 1.25 GO ONLY P.D. = 1.1911 1.250-12 NS-1A TOOL

1 7/16 18 NS THREAD RING GAGE 1.4375 GO ONLY P.D. = 1.4009 1.437-18 INSPECTION

1 1/16 14 NS THREAD RING GAGE 1.0625 GO ONLY P.D. = 1.0130 INSPECTION 1 1/16-14

REGAL

11/16 16 NS THREAD RING GAGE .6875 GO ONLY P.D. = .6511 11/16-16 INSPECTION TOOL

7/16 14 LEFT HAND THREAD RING GAGE .4375 GO ONLY P.D. = .3911 7/16-14 LH QUALITY

PMC INDUSTRIES

7/16 32 UN 3A THREAD RING GAGE .4375 GO ONLY P.D. = .4172 7/16-32 UN-3A QUALITY