Inch

CERTIFIED 1 3/16 12 UNF 2A THREAD RING GAGES 1.1875 GO NO GO PDS = 1.1322 1.1264

CERTIFIED 2 7/16 16 UNS 3A THREAD RING GAGES 2.4375 GO NO GO PDS = 2.3964 2.3923

MERCURY

1/2 13 NC SPECIAL PITCH THREAD RING GAGE .5 NO GO ONLY P.D. = .4500 .50-13 0.500

GTD

4 36 NS 3 THREAD RING GAGES #4 .112 GO NO GO P.D.'S = .0940 & .0922 4-36 NS-3

GTD

4 36 NS 3 THREAD RING GAGES #4 .112 GO NO GO P.D.'S = .0940 & .0922 NS-3 4-36

GAGE ASSEMBLY CO.

CERTIFIED 1 3/8 14 UNS 2A THREAD RING GAGES 1.375 GO NO GO PDS = 1.3270 & 1.3216

THREAD CHECK

CERTIFIED 1 3/16 20 UNS 3A THREAD RING GAGES 1.1875 GO NO GO 1.1545 1.1510 1.187

SOUTHERN GAGE CO.

3 3/4 12 UNS 3A THREAD RING GAGE 3.75 GO ONLY P.D. = 3.6959 NS-3A 2.750-12

S.W.G. CO.

2 3/16 24 UN 3A THREAD RING GAGE 2.1875 GO ONLY P.D. = 2.1604 N-3A INSPECTION

S.W.G. CO.

1 5/8 20 N 3 THREAD RING GAGE 1.625 GO ONLY P.D. = 1.5925 N-2 N-3 INSPECTION

S.W.G. CO.

1 3/8 16 UN 3A THREAD RING GAGE 1.375 GO ONLY P.D. = 1.3344 1 3/8-16 N-3A 1.3750

S.W.G. CO.

2 1/8 16 N 3 THREAD RING GAGE 2.125 GO ONLY P.D. = 2.0844 N-2 N-3 INSPECTION