Part number 853-1 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.

4320-01-420-6290 — DIFFUSER,FLOW · FSC 4320
5930-01-199-2746 — SWITCH,PUSH · FSC 5930
6685-01-142-7364 — THERMOMETER,INDICATING,CAPILLARY · FSC 6685
6625-00-951-2471 — TEST SET SUBASSEMBLY,ELECTRICAL · FSC 6625
1005-01-459-2618 — O-RING AND VALVE GROUP · FSC 1005
5365-01-277-3025 — SHIM · FSC 5365
1075-00-383-8301 — ROD,CONNECTING · FSC 1075
5977-00-036-9174 — HOLDER,ELECTRICAL CONTACT BRUSH · FSC 5977