Used on center, aft, vertical f/a-18e model code support ecp 6038. flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style MS20426 has been replaced by NASM20426 dated august 18, 1998. anodize surface treated
Used on aircraft, hornet f/a-18 (e/f). flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style anodize or oxide film surface treated
Used on f/a-18e/f aircraft. flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style rivet has indented diamond on head with a 0.030 to 0.050 inch width
Used on f/a-18e/f. universal head style rivet, solid universal head, aluminum alloy MS20470 has been replaced by NASM20470 dated august 18, 1998 anodize surface treated