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National Pipe Straight Mechanical (NPSM) Thread Work Plug Gages
Unit of Measure
1 2 

Item #

Item Name

Thread Size

Thread Type

Internal Thread 2B

Handle Number

List Price

1/8-27 NPSM Work Plug Go 2B N/A 0.3736 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3736 in N/A 2 $113.00
1/8-27 NPSM Work Plug No Go Class 2B N/A 0.3783 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3783 in N/A 2 $113.00
1/8-27 NPSM Work Plug Go/No Go Class 2B N/A 0.3736 to 0.3783 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/8-27 N/A National Pipe Straight Mechanical (NPSM) N/A 0.3736 to 0.3783 in N/A 2 $239.00
1/4-18 NPSM Work Plug Go 2B N/A 0.4916 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4916 in N/A 3 $109.00
1/4-18 NPSM Work Plug No Go Class 2B N/A 0.4974 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4974 in N/A 3 $109.00
1/4-18 NPSM Work Plug Go/No Go Class 2B N/A 0.4916 to 0.4974 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/4-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.4916 to 0.4974 in N/A 3 $231.50
3/8-18 NPSM Work Plug Go 2B N/A 0.6270 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6270 in N/A 3 $120.00
3/8-18 NPSM Work Plug No Go Class 2B N/A 0.6329 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6329 in N/A 3 $120.00
3/8-18 NPSM Work Plug Go/No Go Class 2B N/A 0.6270 to 0.6329 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/8-18 N/A National Pipe Straight Mechanical (NPSM) N/A 0.6270 to 0.6329 in N/A 3 $253.50
1/2-14 NPSM Work Plug Go 2B N/A 0.7784 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7784 in N/A 4 $126.00
1/2-14 NPSM Work Plug No Go Class 2B N/A 0.7851 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7851 in N/A 4 $126.00
1/2-14 NPSM Work Plug Go/No Go Class 2B N/A 0.7784 to 0.7851 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1/2-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.7784 to 0.7851 in N/A 4 $266.00
3/4-14 NPSM Work Plug Go 2B N/A 0.9889 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9889 in N/A 4 $140.00
3/4-14 NPSM Work Plug No Go Class 2B N/A 0.9958 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9958 in N/A 4 $140.00
3/4-14 NPSM Work Plug Go/No Go Class 2B N/A 0.9889 to 0.9958 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 3/4-14 N/A National Pipe Straight Mechanical (NPSM) N/A 0.9889 to 0.9958 in N/A 4 $294.00
1-11-1/2 NPSM Work Plug Go 2B N/A 1.2386 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2386 in N/A 5 $165.00
1-11-1/2 NPSM Work Plug No Go Class 2B N/A 1.2462 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2462 in N/A 5 $165.00
1-11-1/2 NPSM Work Plug Go/No Go Class 2B N/A 1.2386 to 1.2462 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.2386 to 1.2462 in N/A 5 $345.00
1-1/4-11-1/2 NPSM Work Plug Go 2B N/A 1.5834 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5834 in N/A 6 $176.00
1-1/4-11-1/2 NPSM Work Plug No Go Class 2B N/A 1.5912 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5912 in N/A 6 $176.00
1-1/4-11-1/2 NPSM Work Plug Go/No Go Class 2B N/A 1.5834 to 1.5912 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/4 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.5834 to 1.5912 in N/A 6 $374.00
1-1/2-11-1/2 NPSM Work Plug Go 2B N/A 1.8223 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8223 in N/A 6 $201.00
1-1/2-11-1/2 NPSM Work Plug No Go Class 2B N/A 1.8302 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8302 in N/A 6 $201.00
1-1/2-11-1/2 NPSM Work Plug Go/No Go Class 2B N/A 1.8223 to 1.8302 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 1-1/2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 1.8223 to 1.8302 in N/A 6 $424.00
2-11-1/2 NPSM Work Plug Go 2B N/A 2.2963 Inch (in) Internal 2B National Pipe Straight Mechanical (NPSM) Thread Work Plug Gage N/A 2 to 11-1/2 N/A National Pipe Straight Mechanical (NPSM) N/A 2.2963 in N/A 6 $223.00
Unit of Measure
1 2