Part number 337.51 appears under 5 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.

4820-00-426-8386 — SEAT,VALVE · FSC 4820
4330-01-580-5808 — FILTER,FLUID · FSC 4330
5999-01-213-5588 — ELECTRONIC COMPONENTS ASSEMBLY,S · FSC 5999
9540-00-595-8676 — ANGLE,STRUCTURAL · FSC 9540
6515-01-643-2431 — ASPIRATING PIC.DSP · FSC 6515