Apollo Saturn V Instrument Unit (IU) Coolant Pump, measuring 12.5″ x 9″ x 5″, with a Sperry-Rand Corporation plate on the base: "Thermal Conditioning System Coolant Pump, SMSD Part No. 1885083-3 - Ser. No. SF7, TRW Model No. 276500-2, IBM Part No. 7928291 - Ser. No. 209, Contract No. NAS8-14000." Stenciled on the side: "Qual Sample / Non Flight."
