Part number A503 appears under 6 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.

5905-00-856-6820 — RESISTOR,THERMAL · FSC 5905
7520-01-424-4845 — EASEL,DISPLAY AND TRAINING · FSC 7520
5306-01-297-6802 — BOLT,EXTERNALLY RELIEVED BODY · FSC 5306
5330-01-321-3738 — PARTS KIT,SEAL REPLACEMENT,MECHA · FSC 5330
5120-00-913-4378 — PULLER,MECHANICAL · FSC 5120
1610-01-551-1922 — CONE,REAR,ADAPTER ASSEMBLY · FSC 1610