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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Plastic Pipe Fittings for Oil
Made of corrosion-resistant plastic, these fittings won’t deteriorate when used in oil applications. They also have high strength and impact resistance. Apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.

- For Use With: Oil
- Temperature Range: See table
Thread Size | Drive Size | Material | Color | Max. Pressure | Minimum Temperature, °F | Maximum Temperature, °F | Each | |
UNF Threads | ||||||||
---|---|---|---|---|---|---|---|---|
10-32 | 1/4" | Nylon Plastic | White | 120 psi @ 72° F | 0° | 170° | 0000000 | 00000 |
1/4"-28 | 5/16" | Nylon Plastic | White | 120 psi @ 72° F | 0° | 170° | 0000000 | 000 |
Non-Hardening Thread Sealant for NPT, BSPT, and UNF Threads (8-oz. Brush-Top Can) | 000000 | Each | 000000 |