Inch

LG

1 3/4 40 UN 2A THREAD RING GAGES 1.75 GO NO GO P.D.'S = 1.7327 & 1.7289 N-2A - DW6579BU

2 3/4 8 NA 2G ACME THREAD RING GAGES 2.75 GO NO GO P.D.'S = 2.6742 & 2.6537 - DW6583BU

S.G. CO.

2 1/8 10 STUB ACME THREAD RING GAGES 2.125 GO NO GO P.D.'S = 2.0837 & 2.0655 - DW6489BU

S.W.G. CO.

2 3/4 8 NA 2G ACME THREAD RING GAGES 2.75 GO NO GO P.D.'S = 2.6742 & 2.6537 - DW6490BU

HEMCO

3 3/4 8 STUB ACME 2G THREAD RING GAGES 3.75 GO NO GO P.D.'S = 3.6975 & 3.6753 - DW6495BU

VK

2 1/2 40 NS 3A THREAD RING GAGES 2.5 GO NO GO P.D.'S = 2.4838 & 2.4808 UNS-3A - DW5191BU

EFCO

2 11/16 20 NS THREAD RING GAGES 2.6875 GO NO GO P.D.'S = 2.6534 & 2.6482 UNS - DW5192BU

HEMCO

2 1/4 12 UN 3A LEFT HAND THREAD RING GAGES 2.25 GO NO GO PD'S = 2.1959 & 2.1914 - DW5012RD

WEDIN

4 9/16 10 BUTTRESS THREAD RING GAGE 4.5625 NO GO ONLY P.D. = 4.493 INSPECTION - DW4560RD

DURA / THREAD & GAGE CO

2 1/4 16 UN 2A THREAD RING GAGES 2.25 GO NO GO P.D.'S = 2.2078 & 2.2024 QUALITY - 214162AR1

PONAM

4" 8 UNJ 3A BEFORE PLATE THREAD RING GAGES 4.0 GO NO GO P.D.'S = 3.9164 & 3.9108 - DW4520RD

PD

3" 8 UNJ 3A BEFORE PLATE THREAD RING GAGES 3.0 GO NO GO P.D.'S = 2.9164 & 2.9116 - DW4396RD