Inch

THREADWELL

1/4 48 NS 2A LEFT HAND DOUBLE LEAD THREAD RING GAGE .250 NO GO ONLY P.D. = .2330

M & J Tooling LLC

3/8 16 NC 2 LEFT HAND DOUBLE LEAD THREAD RING GAGE .375 NO GO ONLY P.D. = .3344

PRATT & WHITNEY

7/16 32 NS 2 THREAD RING GAGE .4375 NO GO ONLY P.D. = .4136 7/16-32 NS-2 QUALITY

S.C.C.

1/4 32 UNEF 3A THREAD RING GAGE .250 GO ONLY P.D. = .2297 1/4-32 UNEF-3A QUALITY

METRO

2 64 NF 3 THREAD RING GAGES #2 .086 GO NO GO P.D.'S = .0759 & .0745 QUALITY NF-3

PRECISION

5/8 20 NS 2 THREAD RING GAGES .625 GO NO GO P.D.'S = .5925 & .5884 QUALITY NS-2

AGMACO

5/16 48 NS THREAD RING GAGE .3125 NO GO ONLY P.D.= .2928 INSPECTION TOOL 5/16-48

METRO

1 72 NF 2 THREAD RING GAGES #1 .073 GO NO GO PDS = .0640 & .0622 INSPECTION NF-2

METRO

3/4 27 NS 3 THREAD RING GAGES .75 GO NO GO P.D.'S = .7180 & .7229 TOOL 3/4-27

5/16 32 NEF 2 THREAD RING GAGE .3125 GO ONLY P.D. = .2892 QUALITY 5/16-32 NEF-2

PRATT & WHITNEY

1 72 NF THREAD RING GAGE #1 .073 GO ONLY PD = .0640 QUALITY INSPECTION TOOL 1-72

HUECKSTAEDT

5/16 50 NS 3 THREAD RING GAGE .3125 NO GO ONLY P.D. = .2971 5/16-50 NS-3 QUALITY