Includes
Cork Fabricated Basic Materials; Asbestos Fabricated Materials; Manufactured Mica; Minerals for scientific and technical use (cut but not mounted); Pottery Supplies; Catgut and Wormgut; Vegetable Brush Fibers; Bagasse.

Possible NAICS Codes
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
325991 – Custom Compounding of Purchased Resins
332510 – Hardware Manufacturing
339950 – Sign Manufacturing
337214 – Office Furniture (except Wood) Manufacturing
333618 – Other Engine Equipment Manufacturing
326199 – All Other Plastics Product Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
322220 – Paper Bag and Coated and Treated Paper Manufacturing

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541330 – Engineering Services
541310 – Architectural Services
561210 – Facilities Support Services
711219 – Other Spectator Sports
541511 – Custom Computer Programming Services
485113 – Bus and Other Motor Vehicle Transit Systems
325220 – Artificial and Synthetic Fibers and Filaments Manufacturing
541519 – Other Computer Related Services
562111 – Solid Waste Collection

Includes
Cotton, Wool, Silk, Horsehair, Rayon, and Nylon Fibers.

Possible NAICS Codes
325220 – Artificial and Synthetic Fibers and Filaments Manufacturing
111920 – Cotton Farming
332618 – Other Fabricated Wire Product Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing

Includes
Cellulose Acetate and other plastics; Bars, Rods, Sheets, and Strips.

Excludes
Cable, Fiber Optic.

Possible NAICS Codes
325211 – Plastics Material and Resin Manufacturing
326199 – All Other Plastics Product Manufacturing
326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing
326113 – Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing
326130 – Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing
336411 – Aircraft Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
326111 – Plastics Bag and Pouch Manufacturing

Includes
Clothing specially designed for use as personal armor.

Excludes
all specialized flight clothing and accessories which may contain ballistic resistant properties as a secondary function. Excludes special purpose clothing wherein the primary function is for purpose other than ballistic protection.

Possible NAICS Codes
315990 – Apparel Accessories and Other Apparel Manufacturing
315250 – Cut and Sew Apparel Manufacturing (except Contractors)
339113 – Surgical Appliance and Supplies Manufacturing
339999 – All Other Miscellaneous Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
316210 – Footwear Manufacturing
332510 – Hardware Manufacturing
315210 – Cut and Sew Apparel Contractors
316990 – Other Leather and Allied Product Manufacturing

Includes
Canvas Materials; Plastic Fabrics; Felt Materials; Netting, Plastic and Textile; Oilcloth, Textile Scrap.

Excludes
Carpeting.

Notes
This class includes only textiles in bulk. Excluded from this class are items that are precut or preformed, thus limiting their usefulness to specific applications. Such items are classified in the same class as the item or items for which designed or in such other class as is appropriate.

Possible NAICS Codes
313210 – Broadwoven Fabric Mills
313310 – Textile and Fabric Finishing Mills
315210 – Cut and Sew Apparel Contractors
337121 – Upholstered Household Furniture Manufacturing
313240 – Knit Fabric Mills
339993 – Fastener, Button, Needle, and Pin Manufacturing
313220 – Narrow Fabric Mills and Schiffli Machine Embroidery
314999 – All Other Miscellaneous Textile Product Mills
313110 – Fiber, Yarn, and Thread Mills
315990 – Apparel Accessories and Other Apparel Manufacturing

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

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
621498 – All Other Outpatient Care Centers
339112 – Surgical and Medical Instrument Manufacturing
325220 – Artificial and Synthetic Fibers and Filaments Manufacturing

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541330 – Engineering Services
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
541713 – Research and Development in Nanotechnology

Includes
Book Paper Stock; Newsprint; Paperboard; Bulk Paper Materials.

Excludes
Corrugated Paper; Wrapping Paper; Building Board; Insulating Board; Stationery; Construction Paper; Paper Towels; Facial Tissues; Blank Books; Containers; Shipping and Identification Tags.

Possible NAICS Codes
322120 – Paper Mills
322230 – Stationery Product Manufacturing
339940 – Office Supplies (except Paper) Manufacturing
323111 – Commercial Printing (except Screen and Books)
322299 – All Other Converted Paper Product Manufacturing
424110 – Printing and Writing Paper Merchant Wholesalers
339920 – Sporting and Athletic Goods Manufacturing
424130 – Industrial and Personal Service Paper Merchant Wholesalers
334112 – Computer Storage Device Manufacturing
322219 – Other Paperboard Container Manufacturing

Includes
Special Purpose Headwear, including Helmets, except Ballistic Protective; Safety and Protective Clothing; Athletic Clothing; Safety, Combat, Protective, and Work Gloves; Submarine Deck Exposure Clothing; Flight Clothing Components designed for use with both Specialized and Conventional Ensembles.

Excludes
special purpose clothing wherein the primary purpose is ballistic resistant protection; Sporting and Athletic Gloves; Athletic Footwear; Safety Footwear; Personal Armor; Special Hospital and Surgical Clothing.

Notes
This class includes conventional winter, summer, and intermediate flight clothing ensembles and their components. Excluded from this class are specialized antiexposure, antigravity, partial pressure, and full pressure, flight ensembles and their specialized components.

Possible NAICS Codes
315990 – Apparel Accessories and Other Apparel Manufacturing
315210 – Cut and Sew Apparel Contractors
315250 – Cut and Sew Apparel Manufacturing (except Contractors)
326299 – All Other Rubber Product Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
322299 – All Other Converted Paper Product Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
326199 – All Other Plastics Product Manufacturing
313210 – Broadwoven Fabric Mills
711510 – Independent Artists, Writers, and Performers

Includes
Fire Resistant Compounds; Water Resistant Compounds; Weather Resistant Compounds; Belt Dressing; Antiseize Compounds; Caulking and Glazing Compounds; Putties.

Excludes
Food Preservative Compounds.

Possible NAICS Codes
332312 – Fabricated Structural Metal Manufacturing
325520 – Adhesive Manufacturing
321114 – Wood Preservation
325510 – Paint and Coating Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing

Includes
Crayons; Erasers; File Holders; Writing Ink; Printing Ink; Paper Fasteners; Pencils; Penholders and Pen Points; Rulers, Office Type; Art Supplies; Tape, Pressure Sensitive Adhesive

Excludes
Office Devices; Fountain Pens; Artists' Brushes; Paper Stationery; Record Forms; Mechanical Pencils.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
459410 – Office Supplies and Stationery Retailers
322230 – Stationery Product Manufacturing
322120 – Paper Mills
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
444110 – Home Centers
424130 – Industrial and Personal Service Paper Merchant Wholesalers
332510 – Hardware Manufacturing
325520 – Adhesive Manufacturing
424120 – Stationery and Office Supplies Merchant Wholesalers

Includes
Naphtha Solvents; Water Softening Compounds; Tanning Materials, Natural or Synthetic; Dextrines and Starches; Inedible Gelatins; Acetone; Propellant Chemicals, Bulk not specialized solely for Guided Missile Use.

Excludes
Medicinal Chemicals; Gases; Foundry Dextrines; Radiographic and photographic Chemicals; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
325611 – Soap and Other Detergent Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325910 – Printing Ink Manufacturing

Includes
Anti-intrusion Alarm Systems; Foghorns; Gongs; Chimes; Bells; Burglar Alarm Systems; Fire Alarms; Police Alarm Systems; Sounding Devices; Manual Gas Alarms; Landing Wands.

Excludes
Loran; Radar; Sonar; Engine Oil and Fuel Warning Devices; Aircraft Oxygen Warning Devices.

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
334290 – Other Communications Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
333120 – Construction Machinery Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing