National Equipment 400321 Armrests, Kit for Plastic Seat

🛠️ National Equipment 400321 Armrest Kit (for Plastic Seat)

The National 400321 Armrest Kit is a direct replacement for all National ride-on machines equipped with the standard plastic seat (PN 400321). Enhance operator comfort and meet safety standards by replacing worn or missing armrests with this OEM-quality kit.

Compatible with the full line of National ride-on floor care machines — including models such as the 8000, 7700, 5700, and their contemporaries — this kit is the official solution offered by National to maintain OSHA compliance and user safety.

• ✔️ OEM part number: 400321 Armrest Kit
• ✔️ Fits all National ride-on machines with plastic seats
• ✔️ Restores operator support and helps meet OSHA standards
• ✔️ In stock and ships quickly from PreFloorTools.com 

Upgrade your ride-on machine today with this easy-to-install armrest kit — improving safety and comfort for operators on every job.