Micro Components

Resources / Thread Finder / NPSF Dryseal Straight Pipe Thread

Pipe Threads (BSP / NPT)

NPSF Dryseal Straight Pipe Thread

Pipe threads seal or connect pipework. Tapered forms (NPT, BSPT/R) seal on the thread itself; parallel forms (BSPP/G, NPS) seal with a gasket or O-ring.

Standard
ANSI B1.20.3
Flank angle
60°
Sizes listed
7
Range
1/16" - 27 NPSF – 1" - 11 1/2 NPSF
Profile shape (schematic, not to scale)

Nominal DiameterMajor Diameter mmTapping Drill Size mmTPIPitch mm
1/16" - 27 NPSF7.5826.304270.940
1/8" - 27 NPSF9.9298.651270.940
1/4" - 18 NPSF13.23611.232181.411
3/8" - 18 NPSF16.67314.671181.411
1/2" - 14 NPSF20.81918.118141.814
3/4" - 14 NPSF26.16623.465141.814
1" - 11 1/2 NPSF32.71829.46411.52.209
← Search all threads Instant quote for NPSF Dryseal Straight Pipe Thread parts

Related Standards

BSPP Parallel Pipe Thread (G) ISO 228-1 / DIN 259 27 rows · G 1/16" – G 6" NPT American Taper Pipe Thread ANSI/ASME B1.20.1 19 rows · 1/16" - 27 NPT – 12" - 8 NPT BSPT Tapered Pipe Thread (R / Rp / Rc) ISO 7-1 / EN 10226 15 rows · R 1/16" – R 6" NPTF Dryseal Taper Pipe Thread ANSI B1.20.3 12 rows · 1/16" - 27 NPTF – 4" - 8 NPTF NPSM Straight Pipe Thread (Mechanical) ANSI B1.20.1 15 rows · 1/8" - 27 NPSM – 6" - 8 NPSM Metric Taper Thread DIN 158 36 rows · M 5 keg – M 60 x 2 keg

Reference values only. Verify against the current edition of the governing standard before use in production drawings or manufacturing. Provided by Micro Components as a free engineering resource.