Thread Ring Gages

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

S.W.G. CO.

3" 24 N 3 THREAD RING GAGE 3.0 GO ONLY P.D. = 2.9729 N-2 N-3 INSPECTION 3.00

S.G. CO.

1 3/4 16 UN 2A THREAD RING GAGE 1.75 NO GO ONLY P.D. = 1.7025 N-2A INSPECTION

S.G. CO.

1 1/4 24 UNS 2A THREAD RING GAGE 1.25 GO ONLY P.D. = 1.2216 NS-2A INSPECTION

ALAMEDA

7/8 16 UN 2A THREAD RING GAGE .875 GO ONLY P.D. = .8329 N-2A .8750-16 INSPECTION

5/16 18 UNC 3A LEFT HAND THREAD RING GAGES .3125 GO NO GO PDS = .2764 & .2734 LH

SHEFFIELD

6 40 UNF 3A LEFT HAND THREAD RING GAGES #6 .138 GO NO GO PD'S = .1218 & .1198 LH