Shop Superlok SMA Stainless Tube Stub - Male NPT
Our Series SMA Straight Tube Stub x Male NPT Adapters, constructed from durable 316 stainless steel, are designed to provide secure and efficient connections in fluid and gas systems. These adapters feature a straight tube stub connection on one end and a male NPT (National Pipe Tapered) connection on the other. NPT is a standard in the U.S. for tapered pipe threads, which create a strong metal-to-metal seal through thread deformation, ensuring leak-free connections. The straight tube stub end is ideal for use with tubing in hydraulic systems, while the male NPT end allows easy integration with pipe systems. Made from corrosion-resistant 316 stainless steel, these adapters are perfect for high-pressure applications where durability and reliability are essential. Ideal for industries such as oil and gas, chemical processing, and instrumentation, the Series SMA adapters offer exceptional performance in demanding environments.
Style:
Port Size:
Body Material:
View the Catalog:
View the Collection:



Shop Superlok SMA Stainless Tube Stub - Male NPT
Click on the model number in the chart below to view that adapter.
| Product SKU ▼ | Brand ▼ | Material ▼ | Nominal Tube Stub ▼ | Male NPT Threads ▼ | Lead Time ▼ | Price ▼ |
|---|---|---|---|---|---|---|
| SMA 2-2N-S316 | Superlok | 316 Stainless Steel | 1/8" (-2) | 1/8-27 (-2N) | 1-2 Weeks | $4.99 |
| SMA 2-4N-S316 | Superlok | 316 Stainless Steel | 1/8" (-2) | 1/4-18 (-4N) | 1-2 Weeks | $5.99 |
| SMA 3-2N-S316 | Superlok | 316 Stainless Steel | 3/16" (-3) | 1/8-27 (-2N) | 1-2 Weeks | $4.99 |
| SMA 4-2N-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 1/8-27 (-2N) | 1-2 Weeks | $4.99 |
| SMA 4-4N-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 1/4-18 (-4N) | Same Day | $5.20 |
| SMA 4-6N-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 3/8-18 (-6N) | Same Day | $6.99 |
| SMA 4-8N-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 1/2-14 (-8N) | Same Day | $8.99 |
| SMA 6-2N-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 1/8-27 (-2N) | 1-2 Weeks | $5.99 |
| SMA 6-4N-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 1/4-18 (-4N) | Same Day | $6.99 |
| SMA 6-6N-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 3/8-18 (-6N) | Same Day | $7.99 |
| SMA 6-8N-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 1/2-14 (-8N) | 1-2 Weeks | $8.99 |
| SMA 8-4N-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 1/4-18 (-4N) | Same Day | $9.99 |
| SMA 8-6N-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 3/8-18 (-6N) | Same Day | $9.99 |
| SMA 8-8N-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 1/2-14 (-8N) | 1-2 Weeks | $11.48 |
| SMA 8-12N-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 3/4-14 (-12N) | 1-2 Weeks | $15.99 |
| SMA 8-16N-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 1-11-1/2 (-16N) | 1-2 Weeks | $24.99 |
| SMA 10-8N-S316 | Superlok | 316 Stainless Steel | 5/8" (-10) | 1/2-14 (-8N) | 1-2 Weeks | $13.99 |
| SMA 12-8N-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 1/2-14 (-8N) | Same Day | $15.99 |
| SMA 12-12N-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 3/4-14 (-12N) | Same Day | $15.12 |
| SMA 12-16N-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 1-11-1/2 (-16N) | 1-2 Weeks | $25.99 |
| SMA 16-8N-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 1/2-14 (-8N) | 1-2 Weeks | $26.99 |
| SMA 16-12N-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 3/4-14 (-12N) | 1-2 Weeks | $29.99 |
| SMA 16-16N-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 1-11-1/2 (-16N) | 1-2 Weeks | $28.99 |
Showing all products



See the chart below for additional Dimensional Detail & Pressure Ratings


Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.










