PSC AC14 National Defense R&D Services; Department of Defense - Military; R&D Administrative Expenses

R&D
Federal Category 17.1: Research and Development Systems Development

Possible NAICS Codes
541330 – Engineering Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
336412 – Aircraft Engine and Engine Parts Manufacturing
336411 – Aircraft Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541380 – Testing Laboratories
488190 – Other Support Activities for Air Transportation
333314 – Optical Instrument and Lens Manufacturing
332991 – Ball and Roller Bearing Manufacturing