Graco 113976 Hex-Head Cap Screw – Overview
The Graco 113976 Screw, Cap, Hex HD is a genuine OEM hex-head fastener used in Graco industrial pump assemblies, providing secure structural mounting under vibration and stress.
Compatible Machines
| Machine / Kit | Usage Context |
| 24V303 Mounting Kit for 2:1 Pumps | The 113976 cap screw (3/8-16 × 1.5") is used to bolt the mounting bracket to a 2:1 or progressive-cavity pump. |
Key Features & Specifications
- Part number: 113976, genuine Graco OEM screw.
- Specification: 3/8-16 thread, 1.50" length per Graco parts manual.
- Material: High-strength metal (typically steel) for reliable clamping force.
- Designed for mounting brackets in pump assemblies.
- Used along with plain washers and hex nuts in the mounting kit.
- Available via OEM parts suppliers; typical weight and dimensions vary by vendor listing.
Installation & Maintenance Notes
When installing or replacing the 113976 hex-head cap screw:
- Ensure the assembly is depressurized (if fluid system) and supports are stable.
- Use proper torque to secure, but avoid over-tightening to prevent thread damage.
- Inspect screws periodically, especially in high-vibration environments such as industrial pumps.
Frequently Asked Questions
According to the Graco 24V303 mounting-kit parts list, 113976 is a 3/8-16 × 1.50" cap screw.
This part is documented in the 24V303 Mounting Kit used with Graco 2:1 pumps and certain progressive-cavity pump assemblies.
A similar generic screw may fit physically, but using the genuine Graco 113976 ensures correct material grade, fit, and long-term reliability under vibration and load.
You can order 113976 from authorized Graco parts distributors and industrial equipment suppliers. Availability may vary by region and vendor.
Why Choose OEM Graco Fasteners?
Using the genuine Graco 113976 Cap Screw Hex HD ensures optimal reliability, strength, and fit, maintaining the integrity of your pump assemblies. OEM fasteners help prevent loosening, improper clamping, and premature wear in high-load applications.
