The 51701310 is a washer component produced by TE Connectivity under the Hartman brand. This fastening component is designed for use in connector assemblies and mechanical applications where spacing, load distribution, or electrical isolation may be required. The product is fully compliant with EU RoHS Directive 2011/65/EU, EU ELV Directive 2000/53/EC, and China RoHS 2 requirements, ensuring environmental and regulatory compliance. The washer is halogen-free with bromine, chlorine, and fluorine content below 900 ppm per homogeneous material, and contains no restricted substances above threshold limits. This component is suitable for use in automotive, industrial connector, and electronic assembly applications where reliable fastening and compliance with international standards are essential.