Part number 42931 appears under 4 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

9540-01-071-3518 — BEAM,STRUCTURAL · FSC 9540
5120-01-398-9136 — WRENCH,BOX AND OPEN END,COMBINAT · FSC 5120
5950-01-156-7439 — COIL,RADIO FREQUENCY · FSC 5950
4820-01-278-5689 — GUIDE,VALVE STEM · FSC 4820