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The GRACO 187142 Nut, Jam is a small, threaded fastener designed for use in GRACO spray equipment. It is typically made from metal and serves as a locking or securing component within fluid handling systems, ensuring connections remain tight and leak-free.
Key Features:
Jam Nut
1/2-14 NPSL
Designed for use with GRACO spray equipment and compatible with 1/2-14 NPSL threaded connections
Compact size for tight spaces
Reliable locking function
Easy to install and remove
Applications: Used in GRACO spray foam and fluid handling systems to secure threaded connections and prevent loosening under vibration or pressure.
Installation Notes:
Using genuine GRACO parts ensures proper fit, performance, and safety within GRACO equipment.
Ensure threads are clean and undamaged before installation
Hand-tighten the nut, then use a wrench to secure it firmly without over-tightening
Check for leaks after installation and periodically during use
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