Graco 116554 Flat Washer

Graco 116554 – Flat Washer

The Graco 116554 Flat Washer is a genuine OEM flat‑washer used to support and distribute load under fasteners, helping secure assemblies while protecting surfaces from damage or deformation. It’s a standard maintenance and hardware component suited for a wide range of Graco equipment.

Key Features & Purpose

• Load distribution: spreads the load of bolts or nuts, preventing surface damage and ensuring secure fastening. :contentReference[oaicite:4]{index=4}
• Surface protection: prevents nuts or bolt heads from digging into housing or surface material — useful for metal or painted surfaces exposed to stress. :contentReference[oaicite:5]{index=5}
• OEM‑grade quality: Genuine Graco part — ensures correct dimensions, material and reliability compared to generic washers. :contentReference[oaicite:6]{index=6}
• Versatile application: Suitable for hydraulic, fluid‑handling, pump, sprayer and other assemblies in Graco equipment where flat washers are required. :contentReference[oaicite:7]{index=7}
• Durable construction: Designed to withstand operational stresses, vibration, and repeated tightening/loosening in maintenance cycles. :contentReference[oaicite:8]{index=8}

Compatible Systems / Applications

• Hydraulic motor / pump assemblies in Graco equipment where 116554 is listed (e.g. certain pump‑motor repair kits). :contentReference[oaicite:9]{index=9}
• Any Graco spray, pump or fluid‑handling machine that requires a flat washer under bolts, screws or nuts — especially for maintenance, repair or reassembly. :contentReference[oaicite:10]{index=10}
• Situations where load distribution, surface protection or stable fastening is needed — preventing loosening or damage during operation or transport. :contentReference[oaicite:11]{index=11}

Note: Since this is a basic hardware part, compatibility depends on the fastener specifications in your equipment’s assembly — verify size/thread, washer inner/outer diameter, and placement before installation.

When & Why to Use / Replace 116554

• When reassembling or repairing equipment housing, pump, hydraulic motor, or other assemblies — ensuring bolts/nuts have proper load distribution and secure fit.
• If the original washer is missing, worn, corroded or deformed — replacing with correct OEM washer ensures secure fastening and prevents leaks or mechanical issues.
• During maintenance or routine servicing — replacing washers along with bolts/screws avoids uneven stress distribution and prolongs component life.
• Whenever the manual or parts list calls out a flat washer under fasteners — using proper OEM washer maintains machine integrity and reduces risk of damage.

Frequently Asked Questions