This post explains for the Screw.
The Part Number is MS24693.
The function of this part is Machine Screw.
Manufacturer: Aviaquip
Preview images :
Description
MS24693 is SCREW, MACHINE. FLAT COUNTERS UNK HEAD, 100DEG CROSS RECESSED.
This is a specification number that corresponds to a specific type of screw used in aerospace and military applications. It is part of the Military Standard (MIL-STD) system that defines various components and materials used by the U.S. Department of Defense and related industries.
MATERIAL CODE :
“A” BEFORE DASH NUMBER – ANODIZED ALUMINIUM ALLOY SCREW.
“B” BEFORE DASH NUMBER – UNCOATED BRASS SCREW.
“BB” BEFORE DASH NUMBER – BLACK CHEMICAL FINISHED BRASS SCREW.
“C” BEFORE DASH NUMBER – CLEANED & DESCALED, CORROSION RESISTANT STEEL SCREW.
“CB” BEFORE DASH NUMBER – CADMIUM PLATED BRASS SREW.
“N” BEFORE DASH NUMBER – UNCOATED NICKLE-COPPER SCREW.
“NB” BEFORE DASH NUMBER – NICKLE PLATED BRASS SCREW.
“S” BEFORE DASH NUMBER – CADMIUM PLATED CARBONSTEEL SCREW .
“U” BEFORE DASH NUMBER – UNCOATED, COPPER-SILICON SCREW.
“B” AFTER DASH NUMBER – BLACK OXIDE COATED CORROSION RESISTANT STEEL SCREW. [ … ]