Part number 503-44 appears under 8 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.

3120-01-327-2564 — BUSHING,SLEEVE · FSC 3120
4730-00-999-9057 — CLAMP,HOSE · FSC 4730
6105-01-564-6103 — ROTOR,MOTOR · FSC 6105
1680-01-113-6050 — CLAMP,CONTROL CABLE LOCKING · FSC 1680
5999-01-111-9931 — DELAY LINE · FSC 5999
1680-00-048-3456 — ELEMENT ASSY · FSC 1680
9905-01-321-1145 — PLATE,INSTRUCTION · FSC 9905
5331-01-011-7921 — O-RING · FSC 5331