S-92150A127 0.328" ID x 0.562" OD NAS1515-H5 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Excellent electrical and thermal insulation provided by nylon plastic construction, ideal for preventing galvanic corrosion and current leakage in sensitive assemblies.
• Reliable load distribution and surface protection with a flat design, effectively preventing damage to components from fastener tightening.
• Precision fit for 5/16" screws with a 0.328" inner diameter, ensuring easy installation and secure placement in inch-system applications.
• Compliance with stringent NAS1515-H5 specifications guarantees consistent quality, dimensional accuracy, and performance for aerospace and demanding industrial uses.
• Resistance to a wide range of chemicals and a maximum temperature of 180°F ensures long-term durability and functionality in challenging environments.
• Lightweight and non-magnetic properties reduce overall assembly weight and are perfect for applications where magnetic interference is a concern.
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and unrestricted use in global markets.

Professional Applications & Engineering Value

This Nylon Plastic Flat Washer is engineered to solve critical challenges in industrial applications where metal washers are unsuitable. Its non-conductive and non-corrosive nature makes it indispensable in electrical enclosures, electronic assemblies, and marine environments to prevent galvanic corrosion. The NAS1515-H5 compliance ensures it meets the high-reliability standards required in aerospace and precision manufacturing. The white color allows for easy identification and is often preferred in clean or food-handling equipment. With a temperature resistance up to 180°F, it provides a durable, long-lasting sealing and spacing solution that maintains its integrity under thermal stress, reducing maintenance needs and replacement costs.

Specification Summary & Compliance

This washer is manufactured to precise inch-system dimensions with an ID of 0.328" and OD of 0.562", designed specifically for a 5/16" screw size. It conforms to the NAS1515-H5 standard, ensuring high dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for industrial use worldwide.