jmatl, alum alloy qq-a-250/aa 6061T4, .090 in thk matl, fin, P2110, mil f-14072, flanged 3 sides, 14 u/8 in l x 12 3/8 in w x 1 in dp o/a, installation kit, communications security equipment, applicale to ky-57, SCD866263
2a single mounting facility thread class 0.250" single mounting facility thread length 1.890" overall length tap, circular, bushing mount unf single mounting facility thread series