| Commodity Code Detail | Buyer | Description |
| 490-00-00-000-0 | 5 | LABORATORY EQUIPMENT AND ACCESSORIES (FOR GENERAL ANALYTICAL AND RESEARCH USE): NUCLEAR, OPTICAL, AND PHYSICAL |
| 490-06-00-000-0 | 5 | BAROMETERS AND MANOMETERS, LABORATORY TYPE |
| 490-07-00-000-0 | 5 | CABINETS, SAFETY, LABORATORY |
| 490-08-00-000-0 | 5 | CALORIMETERS AND ACCESSORIES |
| 490-09-00-000-0 | 5 | CENTRIFUGES, DESK TOP AND FREE STANDING |
| 490-14-00-000-0 | 5 | CLEANERS, ULTRASONIC |
| 490-15-00-000-0 | 5 | COLORIMETERS, REFLECTANCE |
| 490-16-00-000-0 | 5 | COLORIMETERS, OPTICAL, COMPARATORS (SEE CLASS 493 FOR PHOTOELECTRIC COLORIMETERS) |
| 490-19-00-000-0 | 5 | DENSITY GRADIENT EQUIPMENT: FRACTIONATORS, MIXERS, ETC. |
| 490-21-00-000-0 | 5 | DRY BOXES AND GLOVE BOXES |
| 490-24-00-000-0 | 5 | DYNAMOMETERS (FOR AUTOMOTIVE SEE CLASS 075) |
| 490-29-00-000-0 | 5 | ELECTRON MICROSCOPY EQUIPMENT: ELECTRON MICROSCOPES, VACUUM SPUTTERING SYSTEMS, ETC. |
| 490-32-00-000-0 | 5 | ENVIRONMENTAL TEST CHAMBERS AND ROOMS (CONTROLLED TEMPERATURE, HUMIDITY, ETC.) |
| 490-34-00-000-0 | 5 | FILTERS, OPTICAL: IR INTERFERENCE, ETC. |
| 490-36-00-000-0 | 5 | GLASSWARE WASHING APPARATUS |
| 490-39-00-000-0 | 5 | HIGH-PRESSURE EQUIPMENT AND ACCESSORIES |
| 490-44-00-000-0 | 5 | LAMPS AND OTHER RADIATION SOURCES, SPECIALIZED: CATHODE, INFRARED, AND ULTRAVIOLET LAMPS, ETC. |
| 490-47-00-000-0 | 5 | LIQUID SCINTILLATION COUNTING SYSTEMS |
| 490-51-00-000-0 | 5 | LASERS, MASERS, AND ACCESSORIES |
| 490-52-00-000-0 | 5 | LEAK DETECTORS, VACUUM: HELIUM, ULTRASONIC, ETC. |
| 490-53-00-000-0 | 5 | MAGNETIC EQUIPMENT: DEMAGNETIZERS, ELECTROMAGNETS, FLUXMETERS, GAUSSMETERS, MAGNETOMETERS, ETC. |
| 490-55-00-000-0 | 5 | MASS SPECTROMETERS AND ACCESSORIES |
| 490-56-00-000-0 | 5 | MICROMANIPULATORS |
| 490-57-00-000-0 | 5 | MICROSCOPE ACCESSORIES: ADAPTERS, CONDENSERS, FILTERS, ILLUMINATORS, LENSES, ETC. |
| 490-58-00-000-0 | 5 | MICROSCOPES, ALL TYPES (FOR ELECTRON SEE 490-29, AND FOR OPERATING ROOM SEE CLASS 465) |
| 490-65-00-000-0 | 5 | NUCLEAR EQUIPMENT AND ACCESSORIES: MAGNETIC SHIELDING, PARTICLE ACCELERATORS, COUNTERS (RESEARCH TYPE), SCINTILLATING CRYSTALS, ETC. |
| 490-68-00-000-0 | 5 | NUCLEAR MAGNETIC RESONANCE (NMR) APPARATUS |
| 490-69-00-000-0 | 5 | NUCLEAR RADIATION SOURCES (NOT FOR MEDICAL USE) |
| 490-71-00-000-0 | 5 | NUCLEAR SAFETY EQUIPMENT AND SUPPLIES: DOSIMETERS, FILM BADGES, LEAD SHIELDING, RADIATION MONITORS, SURVEY METERS (FOR WARNING TAPE SEE CLASS 832) |
| 490-72-00-000-0 | 5 | OPTICAL LABORATORY EQUIPMENT: BEAM SPLITTERS, CHOPPERS, DIFFRACTION GRATINGS, INTERFEROMETERS, MONOCHROMATORS, OPTICAL BENCHES AND TABLES, ETC. |
| 490-73-00-000-0 | 5 | PHOTOMETERS, REFLECTANCE |
| 490-74-00-000-0 | 5 | PHYSICS EQUIPMENT (NOT OTHERWISE CLASSIFIED) |
| 490-77-00-000-0 | 5 | PUMPS, LIQUID (LABORATORY TYPE): METERING, PERISTALTIC, SYRINGE, ETC. |
| 490-78-00-000-0 | 5 | PUMPS, VACUUM AND PRESSURE/VACUUM |
| 490-79-00-000-0 | 5 | RADIOACTIVE WASTE DISPOSAL SYSTEMS AND ACCESSORIES |
| 490-80-00-000-0 | 5 | SORPTION MEASUREMENT SYSTEMS (FOR SURFACE AREA OF FINE PARTICLES, ETC.) |
| 490-84-00-000-0 | 5 | SPECTROMETERS: AUGER, ELECTRON ENERGY LOSS, X-RAY FREQUENCY, ETC. (FOR MASS SPECTROMETERS SEE 490-55) |
| 490-88-00-000-0 | 5 | SPECTROSCOPES, DIRECT READING |
| 490-90-00-000-0 | 5 | TESTING INSTRUMENTS (NOT OTHERWISE CLASSIFIED) |
| 490-90-94-000-0 | 5 | VOLUMETER, PARTS AND ACCESSORIES |
| 490-92-00-000-0 | 5 | THERMAL ANALYSIS, THERMOGRAVIMETRY, AND THERMAL CONDUCTIVITY APPARATUS |
| 490-93-00-000-0 | 5 | ULTRASONIC EQUIPMENT (FOR RESEARCH): ULTRASOUND IN TERFEROMETERS, PULSE GENERATORS, ETC. |
| 490-94-00-000-0 | 5 | VIBRATION ISOLATION SUPPORTS |
| 490-96-00-000-0 | 5 | X-RAY DIFFRACTION AND ELECTRON DIFFRACTION EQUIPMEN |
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