

Graco 100529 Nut is a genuine hex cap nut used in various Graco sprayers and accessories. Designed for durability and perfect thread fit.
Genuine Graco 100529 Nut used as a fastening component across multiple Graco assemblies. Always verify against your unit’s parts diagram before ordering.
This is a non model-specific hex nut used wherever the parts list explicitly calls out 100529 (5/16-18). Check your manual/diagram to confirm.
| Part Number | 100529 |
|---|---|
| Description | Nut, Hex Cap |
| Thread Size | 5/16-18 (UNC) |
| Typical Use | General fastening on brackets, guards, covers, and frame hardware where 5/16-18 is specified |
| What’s in the Box | 1 × Graco 100529 Nut |
| Notes | Material/finish not specified by Graco in the public listing—match to your original when possible |
The Graco 100529 is a standard hex cap nut with 5/16-18 threads, used across a wide range of Graco equipment. Because it’s a generic fastener, it appears in multiple assemblies and models wherever this size is required.