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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Extreme-Pressure Stainless Steel Threaded Pipe Fittings
With the strength to handle extreme pressures, these fittings can be used to connect equipment in hydraulic fluid lines. 316 stainless steel fittings have excellent corrosion resistance. BSPP and metric male threads have either a gasket or a gasket and washer to prevent leaks. UN/UNF (SAE Straight) threads are also known as O-ring boss threads; the male threads have a gasket to prevent leaks.
Straight Adapters, Female × Male
Straight Adapter
BSPP, Metric, and
UN/UNF (SAE Straight)
Male Threads with Gasket
UN/UNF (SAE Straight)
Male Threads with Gasket
- Specifications Met: See table
- For Use With: See table
316 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
| Thread Size (A) | Dash Size (A) | Thread Size (B) | Max. Pressure | For Use With | Specifications Met | Each | |
UN/UNF (SAE Straight) Female × Metric Male | |||||||
| 1 5/8"-12 | 20 | M42 × 2 mm | 2,000 psi @ 72° F | Hydraulic Fluid (Petroleum Base), Oil, Water | ISO 8434-1, SAE J514 | 000000000 | 000000 |