Collar-Rivet, Corrosion Resistant Steel

Collar assembly, self aligning, HL82-8AWU is designed for use in aircraft applications, specifically for the Boeing B757. This collar features a threaded (break off) type design, ensuring secure attachment. The nominal thread size is 0.250 inches and the collar has a height of 0.570 inches nominal. The outside diameter ranges from 0.465 inches to 0.475 inches, while the inside diameter ranges from 0.331 inches to 0.337 inches. With a thread quantity of 28 per inch, it supports efficient fastening. The wrench end is designed to torque off at 75.0 to 90.0 inch pounds, facilitating ease of installation and removal.