External (pipe) Basic Thread Dimensions
For interpertations of the terms scroll down to the drawings below the table
Property | Inch | mm |
---|---|---|
Nominal Pipe Size (Ø) | 1/16" | ... |
Pipe Outside Diameter (D) | 0.313 | 7.95 |
Pitch (TPI) (P) | 27.000 | 685.8 |
Pitch (Distance) (P) | 0.03703704 | 0.941 |
Thread Tapper Angle (ß) | 1.7893° | 1.7893° |
Thread V half Angle (α) | 30° | 30° |
Height of sharp V (H) | 0.032075 | 0.815 |
Thread height (h) | 0.02963 | 0.753 |
Pitch Diameter at the Pipe's end (E0) | 0.27118 | 6.888 |
Minor Diameter at the Pipe's end (K0) | 0.2416 | 6.137 |
Hand-Tight Engagement Length (L1) | 0.16 | 4.064 |
Pitch Diameter at L1 plane (E1) | 0.28118 | 7.142 |
Length of Last Complete Thread (L5) | 0.187 | 4.75 |
Pitch Diameter at L5 plane (E5) | 0.28287 | 7.185 |
Length of Last usefull Thread (L2) | 0.2611 | 6.632 |
Pitch Diameter at L2 plane (E2) | 0.2875 | 7.303 |
Overall Thread Length (L4) | 0.3896 | 9.896 |
Length of Vanish threads (V) | 0.1285 | 3.264 |
1/16-27 NPT - External (pipe) Drawing
Overview Drawing
Profile Drawing
1/16-27 NPT - Internal (Fitting) Basic Thread Dimensions
For interpertations of the terms scroll down to the drawings below the table
Property | Inch | mm |
---|---|---|
Nominal Pipe Size (Ø) | 1/16" | ... |
Pipe Outside Diameter (D) | 0.313 | 7.95 |
Pitch (TPI) (P) | 27.000 | 685.8 |
Pitch (Distance) (P) | 0.03703704 | 0.941 |
Thread Tapper Angle (ß) | 1.7893° | 1.7893° |
Thread V half Angle (α) | 30° | 30° |
Height of sharp V (H) | 0.032075 | 0.815 |
Thread height (h) | 0.02963 | 0.753 |
Pitch Diameter at the fitting's end (E1) | 0.28118 | 7.142 |
Length of Hand-Tight Engagemen (L1) | 0.16 | 4.064 |
Length of Wrenching Allowance (L3) |
0.1111 | 2.822 |
Pitch Diameter at L3 plane (E3) | 0.26424 | 6.712 |
Tap Drill Size (T) | 0.246 | 6.248 |
1/16-27 NPT - Internal (Fitting) Drawing
Overview Drawing
Profile Drawing
1/16-27 NPT - Tolerances
Property | Minimum | Maximum |
---|---|---|
Thread Height (h) | 0.02496" (0.634 mm) | 0.02963" (0.753 mm) |
L1 gage Tolerance (+/- 1 Turn) (L1) | ... | 0.03704" (0.941 mm) |
Thread Truncation (f) | 0.0012" (0.03 mm) | 0.0036" (0.091 mm) |
Tapper angle Variation (ß) | 1.641" ( ) | 2.089" ( ) |
Thead V Half Angle (+/-) (α) | ... | 1.25" ( ) |
Thread Height (h) | " (0 mm) | " (0 mm) |
L1 gage Tolerance (+/- 1 Turn) (L1) | " ( ) | " ( ) |
Thread Truncation (f) | " (0 mm) | " (0 mm) |
Tapper angle Variation (ß) | " ( ) | " ( ) |
Thead V Half Angle (+/-) (α) | " ( ) | " ( ) |