Inch

HEMCO

3 7/8 16 UN 2A THREAD RING GAGES 3.875 GO NO GO P.D.'S = 3.8326 & 3.8267 HEMCO

2 1/4 40 UNS 2A THREAD RING GAGES 2.250 GO NO GO P.D.'S = 2.2324 & 2.2277 QUALIT

PRATT & WHITNEY

2 7/8 32 NS 2 THREAD RING GAGES 2.875 GO NO GO P.D.'S = 2.8547 & 2.8493 QUALITY

NORTHERN GAUGE

NICE P6 7/8 2A SUCKER ROD PIN THREAD RING GAGE .875 NO GO ONLY P-6 7/8" 10 TPI

REGAL-BELOIT

7/8 10 NA 2G NATIONAL ACME THREAD RING GAGES .875 GO NO GO P.D.'S= .8175 & .8024

VERMONT GAGE

1 1/2 24 UNS 2A VERMONT THREAD RING GAGES 1.50 GO NO GO P.D.'S = 1.4716 & 1.4672

PRATT & WHITNEY

4 5/8 16 NS THREAD RING GAGES 4.625 GO NO GO PD'S = 4.5844 & 4.7040 INSPECTION

HANSON-WHITNEY

2" 16 UN 3A THREAD RING GAGES 2.0 GO NO GO P.D.'S = 1.9594 & 1.9554 INSPECTION

HANSON-WHITNEY

4" 16 UN 2A THREAD RING GAGES 4.0 GO NO GO P.D.'S = 3.9576 & 3.9517 QUALITY TOOL

PENNOYER-DODGE

1 1/2 24 NS 2A THREAD RING GAGES 1.5 GO NO GO P.D.'S = 1.4716 & 1.4672 QUALITY

PRATT & WHITNEY

4 5/8 16 NS 3 THREAD RING GAGES 4.625 GO NO GO P.D.'S = 4.5844 & 4.5763 TOOLS

PENNOYER-DODGE

4 5/8 16 UN 3A THREAD RING GAGE 4.625 GO ONLY P.D. = 4.5844 QUALITY INSPECTION