Inch

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

THREADWELL

1" 20 NEF 2 BEFORE PLATE THREAD RING GAGE 1.0 GO ONLY P.D. = .9660 B/P P.P. 1.00

HANSON WHITNEY

7/8 14 NF SPECIAL PITCH DIA. THREAD RING GAGE .875 GO ONLY P.D. = .8282 .8750

BESLEY

9/16 8 NS LEFT HAND MODIFIED THREAD RING GAGES .5625 GO NO GO = .5016 .4960 L.H.

BESLY

9/16 8 NS MODIFIED THREAD RING GAGES .5625 GO NO GO P.D.'S = .5016 & .4960 MOD.

BENDIX BESLY

3/8 18 NS LEFT HAND DOUBLE LEAD THREAD RING GAGES .375 GO NO GO PDS= .3376 .3333