This RAF part 0818-SS is a high-quality fastener with a short description "Screw Captive Round-HD Slot 4-40-THD 4.76mm-LG Stainless Steel". This stainless steel screw features a round head with a slot for easy installation and a thread size of 4-40. With a total length of 4.76mm, this captive screw is designed for secure and reliable fastening in various applications.