Gage Assembly Company
Gage Assembly Company
3771 W Morse Ave
Lincolnwood, IL 60712
Phone: 1-800-232-4243 (GAGE), 1-847-679-5180
Fax: (847) 679-5190
Email: sales@gageassembly.com
Website: www.gageassembly.com
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National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gages
Unit of Measure
1 2 

Item #

Item Name

Thread Size

Thread Type

External Thread 2A

Handle Number

List Price

1/8-27 NPSM Set Plug Go 2A N/A 0.3725 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3725 in N/A 2 $173.00
1/8-27 NPSM Set Plug No Go Class 2A N/A 0.3689 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3689 in N/A 2 $173.00
1/8-27 NPSM Set Plug No Go/Go Class 2A N/A 0.3689 to 0.3725 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3689 to 0.3725 in N/A 2 $359.00
1/4-18 NPSM Set Plug Go 2A N/A 0.4903 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4903 in N/A 3 $173.00
1/4-18 NPSM Set Plug No Go Class 2A N/A 0.4859 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4859 in N/A 3 $173.00
1/4-18 NPSM Set Plug No Go/Go Class 2A N/A 0.4859 to 0.4903 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4859 to 0.4903 in N/A 3 $359.50
3/8-18 NPSM Set Plug Go 2A N/A 0.6256 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6256 in N/A 3 $185.00
3/8-18 NPSM Set Plug No Go Class 2A N/A 0.6211 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6211 in N/A 3 $185.00
3/8-18 NPSM Set Plug No Go/Go Class 2A N/A 0.6211 to 0.6256 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6211 to 0.6256 in N/A 3 $383.50
1/2-14 NPSM Set Plug Go 2A N/A 0.7769 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7769 in N/A 4 $192.00
1/2-14 NPSM Set Plug No Go Class 2A N/A 0.7718 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7718 in N/A 4 $192.00
1/2-14 NPSM Set Plug No Go/Go Class 2A N/A 0.7718 to 0.7769 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7718 to 0.7769 in N/A 4 $398.00
3/4-14 NPSM Set Plug Go 2A N/A 0.9873 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9873 in N/A 4 $215.00
3/4-14 NPSM Set Plug No Go Class 2A N/A 0.9820 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9820 in N/A 4 $215.00
3/4-14 NPSM Set Plug No Go/Go Class 2A N/A 0.9820 to 0.9873 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9820 to 0.9873 in N/A 4 $444.00
1-11-1/2 NPSM Set Plug Go 2A N/A 1.2369 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2369 in N/A 5 $238.00
1-11-1/2 NPSM Set Plug No Go Class 2A N/A 1.2311 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2311 in N/A 5 $238.00
1-11-1/2 NPSM Set Plug No Go/Go Class 2A N/A 1.2311 to 1.2369 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2311 to 1.2369 in N/A 5 $491.00
1-1/4-11-1/2 NPSM Set Plug Go 2A N/A 1.5816 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5816 in N/A 6 $262.00
1-1/4-11-1/2 NPSM Set Plug No Go Class 2A N/A 1.5756 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5756 in N/A 6 $262.00
1-1/4-11-1/2 NPSM Set Plug No Go/Go Class 2A N/A 1.5756 to 1.5816 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5756 to 1.5816 in N/A 6 $546.00
1-1/2-11-1/2 NPSM Set Plug Go 2A N/A 1.8205 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8205 in N/A 6 $307.00
1-1/2-11-1/2 NPSM Set Plug No Go Class 2A N/A 1.8144 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8144 in N/A 6 $307.00
1-1/2-11-1/2 NPSM Set Plug No Go/Go Class 2A N/A 1.8144 to 1.8205 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8144 to 1.8205 in N/A 6 $636.00
2-11-1/2 NPSM Set Plug Go 2A N/A 2.2944 Inch (in) External 2A National Pipe Straight Mechanical (NPSM) Thread Setting Plug Gage N/A 2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 2.2944 in N/A 6 $351.00
Unit of Measure
1 2