National Taper Thread (NPT)

External National Taper Thread (NPT) y

Standard reference: USAS B2:1: 1968 P ic

Tolerance class: Standard NPT x 60° l

ExternalRight HandNational Taper Thread (NPT)PitchTPIXY
EDPL(mm)DescriptionGrademmmmmm
0319711616ER18NPTSP40661,41180,801,00
0319721616ER14NPTSP40661,81140,901,20
0319731616ER11.5NPTSP40662,2111,51,101,50
0319741616ER8NPTSP40663,1881,301,80

Internal National Taper Thread (NPT)

Standard reference: USAS B2:1: 1968

Tolerance class: Standard NPT

l

x

ic y

InternalRight HandNational Taper Thread (NPT)PitchTPIXY
EDPL(mm)DescriptionGrademmmmmm
0337600808IR27NPTSP40660,94270,600,60
0337500808IR18NPTSP40661,41180,600,60
0320541111IR18NPTSP40661,41180,801,00
0320521111IR14NPTSP40661,81140,801,00
0319751616IR18NPTSP40661,41180,801,00
0319761616IR14NPTSP40661,81140,901,20
0319771616IR11.5NPTSP40662,2111,51,101,50
0319781616IR8NPTSP40663,1881,301,80