Thread Ring Gages

1/4 20 UNC 3A LEFT HAND THREAD RING GAGE .25 GO ONLY P.D. = .2175 L.H. LH .250

HANSON WHITNEY

10 32 NF SPECIAL PITCH THREAD RING GAGES #10 .190 GO NO GO PD'S = .1677 & .1665

PRATT & WHITNEY

3/4 20 NS 3 THREAD RING GAGES .75 GO NO GO P.D.'S = .7175 & .7145 .750-20 NS-3

BESLY

7/8 14 UNF 2A BEFORE PLATE THREAD RING GAGE .875 NO GO ONLY P.D. = .8206 B/P

HANSON WHITNEY

1 1/8 20 UNS 1A THREAD RING GAGE 1.125 GO ONLY P.D. = 1.0910 1.1250-20 NS-1A

PONAM

1/2 10 STUB 60 DOUBLE LEAD THREAD RING GAGES .5 GO NO GO P.D.'S = .4551 & .4496

GTD

5 50 NS THREAD RING GAGES #5 .125 GO NO GO P.D.'S = .1120 & .1105 5-50 1/8-50

REGAL

3/8 24 BEFORE PLATE THREAD RING GAGE .375 GO ONLY P.D. = .3458 B/P P.P. SPECIAL

GTD / HEMCO

4 48 NF 2 THREAD RING GAGES #4 .112 GO NO GO P.D.'S = .0985 & .0963 4-40 NF-2

5 40 NC BEFORE PLATE THREAD RING GAGE #5 .125 GO ONLY P.D. = .1078 B/P P.P. TOOL

HANSON WHITNEY

10 32 NF SPECIAL PITCH THREAD RING GAGES #10 .190 GO NO GO P.D.'S= .1687 & .1675

PRATT & WHITNEY

5/16 18 NC SPECIAL PITCH THREAD RING GAGE .3125 NO GO ONLY P.D. = .2804 5/16-18