

The Graco 100071 Hex Nut is a genuine Graco fastening component used across multiple sprayer assemblies. Designed for durability and precise 3/4-16 threading, it ensures secure fitment and reliable performance.
This Graco 100071 Hex Nut (often referenced as a hex jam nut, 3/4-16 thread) appears across several Graco assemblies. Confirm against your specific parts list.
The Graco 100071 Hex Nut is a standard fastening component used as a latch/jam or retaining nut in various Graco equipment. It secures mating components and maintains adjustment in assemblies like hose reels and RoadPak systems.
| Part Number | 100071 |
|---|---|
| Type | Hex nut (often listed as hex jam in Graco manuals) |
| Thread Size | 3/4-16 (UNF) — confirm in your specific parts manual |
| Typical Use | Latch/jam/retaining nut in hose reel and striper assemblies |
| Compatibility Note | Always match thread spec, nut style (hex vs. jam), and assembly reference in your model’s parts list |
| Question | Answer |
|---|---|
| Is 100071 a regular hex nut or a jam nut? | Graco manuals often reference it as a hex jam nut; functionally it’s used as a locking/retaining nut in certain assemblies. |
| What thread spec should I confirm? | Most references list 3/4-16 UNF. Always verify against your specific model manual before purchase. |
| Which machines is it confirmed to fit? | Dual Hose Reel 206941 (Series B 55) and RoadPak 25M701–25M705. It may appear in other Graco assemblies where a 3/4-16 hex/jam nut is called out. |
| Any installation tips? | Clean threads, use specified torque from your manual, and verify any locking devices (e.g., lock washers) are present and in good condition. |
| Can I substitute hardware-store nuts? | Use genuine Graco parts to maintain fit and reliability. Substitutions risk thread, hardness, or height mismatch. |