Special Features:

Material, flange and collar, aluminum 2011-t3; screw, stainless steel per ams 5640 type 1, aisi t-302; finish, anodize per mil-a-8625 type ii, class 2, black lusterless per fed.Std 595, color 37038 as close as can be accomplised by comm process; collar, clear anodize per mil-a-8625 type ii, class 1; screw, black passivate per mil-s-5002 and qq-p-35 black lusterless per federal standard 605 37038 as close as can be accomplised by commercial process; flange depth, 0.220 p000, m.005

Properties:

A two-piece metallic item, one piece usually tubular in appearance and flanged at one end, the other piece a plain tooth or spur washer or retaining ring. It is primarily used for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and retained in place by being crimped over the plain or tooth washer or retaining ring or by clinching action between the spur washer and the flanged end. Excludes eyelet, metallic.