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. :contentReference[oaicite:0]{index=0} |
Key Features & Specifications
- Part number: 113976, genuine Graco OEM screw.
- Specification: 3/8‑16 thread, 1.50″ length per Graco parts manual. :contentReference[oaicite:1]{index=1}
- Material: High‑strength metal (typically steel) for reliable clamping force.
- Designed for mounting brackets in pump assemblies (e.g., pump mounting kits). :contentReference[oaicite:2]{index=2}
- Used along with plain washers and hex nuts in the mounting kit. :contentReference[oaicite:3]{index=3}
- Available via OEM parts suppliers; typical weight and dimensions per vendor listing. :contentReference[oaicite:4]{index=4}
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. :contentReference[oaicite:5]{index=5}
This part is documented in the 24V303 Mounting Kit used with Graco 2:1 pumps and certain progressive‑cavity pump assemblies. :contentReference[oaicite:6]{index=6}
While a similar-size generic cap screw may physically fit, using the genuine Graco 113976 ensures correct thread pitch, material grade, and torque behavior — especially in high‑stress or vibrating industrial pump mounts.
You can order 113976 from authorized Graco parts suppliers or distributors. It’s also listed on industrial parts websites. One vendor lists this cap screw with specs for reference. :contentReference[oaicite:7]{index=7}
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 Graco pump assemblies. Aftermarket or mismatched fasteners can lead to improper clamping, increased wear, or loosening under load.
