Part number 2109-4 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.

3110-00-142-0017 — BEARING,BALL,ANNULAR · FSC 3110
6515-01-367-1094 — COVER,ELECTRONIC THERMOMETER PRO · FSC 6515
4320-01-304-3696 — SLEEVE,ADJUSTING,PU · FSC 4320
2530-01-265-3251 — CYLINDER ASSEMBLY,ACTUATING,LINE · FSC 2530