Compatibility & Fastener Application
Compatible Sprayers & Assemblies
The **Graco 867704 Washer, Plain, 5/16 Nominal** is a genuine OEM flat washer used in various Graco spray equipment assemblies to support 5/16″ fasteners — providing even load distribution and surface protection. This part appears in Graco parts lists where a 5/16″ plain washer is required.
- Graco Ultra Max series airless sprayers (as shown in OEM parts diagrams)
- Graco ProContractor and Contractor‑grade airless systems
- Professional fluid handling and manifold assemblies requiring 5/16″ fastener hardware
Product Description
The **867704 Washer, Plain, 5/16 Nominal** is a standard flat washer used under bolt heads and nuts in Graco sprayer assemblies. It helps evenly distribute clamping forces and protect component surfaces from damage and wear during assembly and operation.
| Specification | Detail |
| Part Name | Washer, Plain |
| Part Number | 867704 |
| Size | 5/16″ Nominal |
| Type | Flat Washer |
| Brand | Graco OEM |
| Application | Hardware fastener support & load distribution |
Key Features
- Flat washer supports 5/16″ bolts, screws, and nuts in equipment assemblies.
- Distributes clamping load to protect surfaces and improve fastening stability.
- Genuine Graco OEM part for reliable fit and performance.
- Simple, durable hardware component easy to install.
Frequently Asked Questions
A plain washer is a flat metal ring placed under a bolt head or nut to spread the load, protect the surface, and improve the durability of threaded fastener assemblies.
This washer is used under fastener heads or nuts where a 5/16″ nominal washer is specified in the parts diagram to ensure proper load distribution and surface protection.
Yes. While designed for Graco equipment, this plain washer can also be used in any application requiring a 5/16″ flat washer — as long as dimensions and load requirements match your assembly.
