Inch

MERCURY GAGE

4" 8 N BUTTRESS 2A THREAD RING GAGE 4.00 GO ONLY P.D. = 3.9189 4"-8 BUTT N-2A

G.A. CO.

1 3/8 8 UN 1A THREAD RING GAGES 1.375 GO NO GO P.D.'S= 1.2916 & 1.2812 1 3/8-8

G.A. CO.

1 7/16 4 STUB ACME THREAD RING GAGES 1.4375 GO NO GO P.D.'S = 1.3531 & 1.3309

PMC INDUSTRIES

2" 12 UNS 1A THREAD RING GAGE 2.0 NO GO ONLY P.D. = 1.9321 QUALITY 2"-12 UNS-1A

JOHN BATH CO.

1 1/2 18 NEF 3 THREAD RING GAGE 1.5 GO NO GO P.D 1.4639 & 1.4601 QUALITY NEF-3

SCHRILLO AERO TOOL

2 1/4 12 N 3 THREAD RING GAGE 2.25 NO GO ONLY P.D. = 2.1911 QUALITY INSPECTION

US GOVT INSP

2 1/4 24 NS 1 THREAD RING GAGE 2.25 GO ONLY P.D. = 2.2015 QUALITY INSPECTION

PERFEX

5/8 18 NS 4 THREAD RING GAGE .625 NO GO ONLY P.D. = .5879 QUALITY 5/8-18 NS-4

BENDIX

9/16 8 NA 2G LEFT HAND STUB THREAD RING GAGES .5625 GO NO GO PDS = .5193 & .5039

HEMCO

9/16 8 ACME 2C LEFT HAND DOUBLE LEAD THREAD RING GAGE .5625 GO ONLY P.D. = .4937

G.A. CO.

11/16 18 UNS 3A THREAD RING GAGE .6875 GO ONLY P.D. = .6514 TOOL 11/16-18 UNS-3A

PRECON

2" 16 UN 3A BEFORE PLATE THREAD RING GAGE 2.0 NO GO ONLY P.D. = 1.9540 UN-3A B/P