Description
The GRACO 121387 is a threaded nipple fitting designed to connect fluid lines within GRACO equipment. It features a 1/2-inch National Pipe Thread (NPT) on both ends and is 3.0 inches long. The material is not specified, but typical GRACO fittings are made from durable metals such as steel or brass for reliable performance in industrial fluid handling systems. Its intended use is to provide a secure, leak-resistant connection between components in lubrication, spray, or hydraulic systems.
Key Features:
- Nipple fitting
- 1/2NPT x 3.0 Long
- Compatible with GRACO equipment requiring 1/2NPT threaded connections
- Durable construction for industrial environments
- Standardized thread for reliable connections
- Suitable for high-duty cycle applications
Applications:
Used in GRACO lubrication, spray, and hydraulic systems for connecting fluid lines and components.
Installation Notes:
- Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment.
- Apply appropriate thread sealant to ensure leak-free connections
- Hand-tighten before using a wrench to avoid cross-threading
- Inspect threads for damage before installation
- Follow torque specifications as recommended in the equipment manual
- Regularly inspect for leaks or wear
- Replace if threads are damaged or if leaks occur
- Use only compatible thread sealants






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