Inch

LINCOLN GAGE

1 3/4 16 UNEF 2A LEFT HAND THREAD RING GAGES 1.75 GO NO GO PD'S= 1.7078 & 1.7025

S.G. CO.

1 9/16 16 UNS 3A THREAD RING GAGES 1.5625 GO NO GO PD'S = 1.5219 & 1.5180 NS-3A

GSG

1 5/16 18 UNEF 3A BEFORE PLATE THREAD RING GAGES 1.3125 GO NO GO = 1.2752 1.2720

AGMACO

2" 8 UN 2AG THREAD RING GAGES 2.0 GO NO GO P.D.'S = 1.9142 & 1.9064 2A SPL 2.00

G.A. CO.

10 24 UNC 2A LEFT HAND THREAD RING GAGES #10 .190 GO NO GO P.D.'S= .1619 & .1586

VERMONT

1 1/4 20 NS 3 VERMONT THREAD RING GAGE 1.25 GO ONLY P.D. = 1.2175 INSPECTION

PRATT & WHITNEY

1 1/4 20 NS 3 THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.2175 & 1.2135 NS-3 TOOL

GTD

7/8 20 NS THREAD RING GAGES .875 GO NO GO P.D.'S = .8425 & .8392 .8750-20 TOOL

DETROIT

1 1/2 12 NF 1 THREAD RING GAGES 1.5 GO NO GO P.D.'S = 1.4435 & 1.4356 1.50-12

ALAMEDA

7/16 24 NS THREAD RING GAGE .4375 NO GO ONLY P.D. = .4045 7/16-24 INSPECTION

ATLAS

3/8 27 NS THREAD RING GAGE .375 NO GO ONLY P.D. = .3476 3/8-27 N.S. INSPECTION

7/16 20 SPECIAL THREAD RING GAGE .4375 GO ONLY P.D. = .4040 2A +.0003 OVERSIZE