National Item Identification Number
National Stock Number
Federal Supply Class
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
COPPER ALLOY 260 OR
COPPER ALLOY 268 OVERALL