Made from plate p/n 638-2176-004, includes nuts 4, lockspring 2; matl: al 5052 tem h32 0.050 porm 0.004 in. Thk per qq-a-250/8; finish: chemical film per 580-0036-000; o/a dimensions: 4.776 in. Lg x 2.070 in. W x 0.550 in. H; used on rear plate assembly
