Used on 3805-01-573-0677; excavator, multipurpose, end crawler mounted. flat fillister head style screw pilot lines (control valve top to pilot signal manifold)
Used on aircraft,orion,model p-3c,sonobuoy radio transmitter t-1234/asa-76. flat head, phillips, number 4-40 x 5/16 inch, gray painted stainless steel (cres) screw