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
Mockups; Cutaway Models; Scale Models; Training Films; Training Aid Maps; Navigational Training Aids; Flight Instrument Training Aids; Aircraft Instrument Training Aids; Vehicle Training Aids; Engine Instrument Training Aids; Hydraulic System Training Aids; Cutaway, Mockup, or Sectionalized Ammunition only; Training Equipment normally used in classroom training.

Excludes
Drill, Dummy, Exercise, Practice, or Simulated Ammunition and Weapons.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
611430 – Professional and Management Development Training
493110 – General Warehousing and Storage
541330 – Engineering Services
339113 – Surgical Appliance and Supplies Manufacturing
541519 – Other Computer Related Services
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
455219 – All Other General Merchandise Retailers
339999 – All Other Miscellaneous Manufacturing

Includes
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
325411 – Medicinal and Botanical Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Includes
Portable Fire Escapes; Safety Nets, Nonbuoyant.

Excludes
Divers' Suits; Fixed Fire Escapes

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
339115 – Ophthalmic Goods Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
313230 – Nonwoven Fabric Mills
444140 – Hardware Retailers

Description
Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
334516 – Analytical Laboratory Instrument Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
561210 – Facilities Support Services
541380 – Testing Laboratories and Services
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334519 – Other Measuring and Controlling Device 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
Link Trainers; Automatic Pilot Training Devices; Drift Meter Training Devices; Celestial Navigation Trainers; Dead Reckoning Navigation Trainers; Instrument Flying and Landing Trainers; Terrain Projection Trainers; All operational training devices except communication and armament.

Excludes
Training Aids

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336611 – Ship Building and Repairing
333310 – Commercial and Service Industry Machinery Manufacturing
339999 – All Other Miscellaneous Manufacturing
339920 – Sporting and Athletic Goods Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334111 – Electronic Computer Manufacturing
611512 – Flight Training
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541519 – Other Computer Related Services

Includes
Bombing Trainers; Gunnery Trainers; Tow Targets; Gunnery Targets; Guided Missile Training Sets.

Excludes
Target Drones; Drones for such use as training, surveillance, missile evaluation, and photographic reconnaissance; Atomic Ordnance Training Devices; Training Aids; Drill, Dummy, Exercise, Practice, or Simulated Ammunition and Weapons.

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
339920 – Sporting and Athletic Goods Manufacturing
339999 – All Other Miscellaneous Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
316990 – Other Leather and Allied Product Manufacturing
332312 – Fabricated Structural Metal Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Includes
Fire Extinguishers; Fire Axes; Fire Rakes; Fire Beaters; Fire Trucks; Fire Hose; Play Pipes; Hose Fittings having one or more Fire Hose End Connections; Fire Hose Reels; Fire Fighting Trailers; Fire Hydrants; Sprinkler Heads.

Excludes
Wrecking Bars (FSC 5120, 1385).

Possible NAICS Codes
339999 – All Other Miscellaneous Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
326111 – Plastics Bag and Pouch Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing

Includes
Musette Bags; Duffel Bags; Ammunition Belts; Pistol Belts; Handcuffs; Packboards; Sleeping Bags; Knapsacks; Hikers' Packs; Sunglasses; Skis; Snowshoes; Swords with Scabbards.

Excludes
Toilet Articles; Mess Gear; Fabric Utility Containers.

Possible NAICS Codes
315990 – Apparel Accessories and Other Apparel Manufacturing
339999 – All Other Miscellaneous Manufacturing
314910 – Textile Bag and Canvas Mills
313210 – Broadwoven Fabric Mills
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
316990 – Other Leather and Allied Product Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
561990 – All Other Support Services
541614 – Process, Physical Distribution, and Logistics Consulting Services
339920 – Sporting and Athletic Goods 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
Drawing Instruments, Drafting Tools; Engineering and Architectural Scales; Levels; Transits; Photogrammetric Instruments; Astrolabes; Level Rods; Plane Tables; Surveying Altimeters; Theodolites.

Excludes
Surveyors' Tapes.

Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
332510 – Hardware Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334111 – Electronic Computer Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
541370 – Surveying and Mapping (except Geophysical) Services
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
541519 – Other Computer Related Services

Includes
Asphalt Elevators; Asphalt Heaters; Asphalt Kettles; Asphalt Transfer Equipment; Batching Plants; Stabilizing and Compacting Equipment; Concrete Mixers (All Types); Concrete Vibrators; Bituminous and Concrete Pavers; Asphalt Distributors; Sheepsfoot Rollers; Rooters; Rippers; Pile Drivers; Bitumen Heaters; Cable Laying, Lashing, Spinning, and Reeling Equipment.

Excludes
Earth Moving and Excavating Equipment (FSC 3805 & 3810); Pile Driving Attachments for Cranes and Crane-Shovels (FSC 3815); Special Individual Work and Power Sections of Construction Equipment with a quick connect/disconnect capability (FSC 3805)

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
541614 – Process, Physical Distribution, and Logistics Consulting Services
332510 – Hardware Manufacturing
212321 – Construction Sand and Gravel Mining
333618 – Other Engine Equipment Manufacturing
324121 – Asphalt Paving Mixture and Block Manufacturing

Description
Other Education and Training Services

Possible NAICS Codes
611430 – Professional and Management Development Training
611710 – Educational Support Services
611512 – Flight Training
611699 – All Other Miscellaneous Schools and Instruction
611519 – Other Technical and Trade Schools
611630 – Language Schools
541611 – Administrative Management and General Management Consulting Services
611420 – Computer Training
611310 – Colleges, Universities, and Professional Schools
611620 – Sports and Recreation Instruction

Description
Maintenance, Repair and Rebuilding of Equipment: Medical, Dental, and Veterinary Equipment and Supplies

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
339112 – Surgical and Medical Instrument Manufacturing
334517 – Irradiation Apparatus Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541519 – Other Computer Related Services
334510 – Electromedical and Electrotherapeutic Apparatus Manufacturing
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
513210 – Software Publishers