Description
Engineering and Technical Services

Includes
Includes: System Engineering, Technical Assistance and Other Services Used to Support the Program Office During the Acquisition Cycle

Excludes
Excludes: Language Translation and Sign Language Interpretation (PSC R608)

Possible NAICS Codes
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541512 – Computer Systems Design Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
336611 – Ship Building and Repairing
541519 – Other Computer Related Services
541611 – Administrative Management and General Management Consulting Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Description
Well Drilling/Exploratory Services

Possible NAICS Codes
237110 – Water and Sewer Line and Related Structures Construction
238910 – Site Preparation Contractors
541620 – Environmental Consulting Services
213115 – Support Activities for Nonmetallic Minerals (except Fuels) Mining
221310 – Water Supply and Irrigation Systems
541690 – Other Scientific and Technical Consulting Services
237990 – Other Heavy and Civil Engineering Construction
213112 – Support Activities for Oil and Gas Operations
561790 – Other Services to Buildings and Dwellings
541360 – Geophysical Surveying and Mapping Services

Description
Geotechnical Studies

Possible NAICS Codes
541380 – Testing Laboratories and Services
541330 – Engineering Services
541370 – Surveying and Mapping (except Geophysical) Services
541511 – Custom Computer Programming Services
238910 – Site Preparation Contractors
541360 – Geophysical Surveying and Mapping Services
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
213115 – Support Activities for Nonmetallic Minerals (except Fuels) Mining

Description
Expert Witness

Possible NAICS Codes
621111 – Offices of Physicians (except Mental Health Specialists)
541199 – All Other Legal Services
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
531320 – Offices of Real Estate Appraisers
541330 – Engineering Services
621112 – Offices of Physicians, Mental Health Specialists
541618 – Other Management Consulting Services

Description
Scientific Data Studies

Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541620 – Environmental Consulting Services
541611 – Administrative Management and General Management Consulting Services
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
611310 – Colleges, Universities, and Professional Schools
541360 – Geophysical Surveying and Mapping Services

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Includes
Hand Grease Guns; Centralized Lubrication Systems; Hydrostatic Lubricators; Oil and Gasoline Dispensing Pumps; Fuel Oil Dispensing Pumps; Hand Oilers; Grease Dispensers; Pressure Gun Attachments; Sight Feed Lubricators.

Excludes
Alemite and Lubrication Fittings (FSC 4730).

Possible NAICS Codes
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
339993 – Fastener, Button, Needle, and Pin Manufacturing
333912 – Air and Gas Compressor Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Carburetors; Fuel Pumps; Engine Fuel Filters; Fuel Tanks; Components for all engines except Aircraft and Guided Missile Prime Moving.

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing