Includes
Air Duct, Metallic, Nonmetallic, and Textile Fiber Hoses and their assemblies; Flexible Tubing and their assemblies.

Excludes
Conduit and their assemblies (FSC 5975); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515); Rigid Tubing and their assemblies (FSC 4710).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
333618 – Other Engine Equipment Manufacturing
333120 – Construction Machinery Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332510 – Hardware Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
General Purpose Oil Grease, Air, Liquid, Gas, and chemical Seals; Oakum; Prefabricated Gaskets and Seals designed for a single specific application.

Excludes
O-Rings (FSC 5331); Bulk material items, such as; Rubber, Cork, and Asbestos Sheets and Strips (FSG 93); Liquid Gasket Materials (RTV), Permatex, etc.) (FSG 80); RFI and EMI Seals and Gaskets (FSC 5999), and all Seal Retainers.

Notes
This FSC includes only seals and gaskets designed for standard use. Seals, gaskets and packing are made from materials specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals, liquids, and used to fill a cavity and create a tight seal. Similar materials used to make seals, gaskets and packing are available in bulk form, refer to FSG 93, FSG 80, and FSG 83.

Possible NAICS Codes
339991 – Gasket, Packing, and Sealing Device Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
339950 – Sign Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333120 – Construction Machinery Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing

Includes
Locknuts; Eye Nuts; Plain Nuts; Castellated Nuts; Wing Nuts; Plate Nuts; Push on Nuts; Concave and Convex Washers; Flat Washers; Keyed Washers; Lock Washers; Shouldered Washers; Split Washers.

Excludes
Bearing Thrust Washers (FSC 3120); Shims (FSC 5365); Ring Spacers (FSC 5365); Plate Spacers (FSC 5365); Lock Rings (FSC 5365).

Notes
Nuts and washers, including specially designed, are to be classified in this FSC. a. Nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. Washers are a perforated piece of metal, leather, or other materials of various shapes or forms. They are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Possible NAICS Codes
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
332510 – Hardware Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
325611 – Soap and Other Detergent Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
322299 – All Other Converted Paper Product Manufacturing
332721 – Precision Turned Product Manufacturing
331529 – Other Nonferrous Metal Foundries (except Die-Casting)

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

Excludes
Packing and Gasket Material (FSC 5330).

Possible NAICS Codes
339991 – Gasket, Packing, and Sealing Device Manufacturing
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333120 – Construction Machinery 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

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
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
Expandable and nonexpandable shelters.

Possible NAICS Codes
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
238990 – All Other Specialty Trade Contractors
332312 – Fabricated Structural Metal Manufacturing
332439 – Other Metal Container Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
313320 – Fabric Coating Mills
332216 – Saw Blade and Handtool Manufacturing
332510 – Hardware 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
Permanent Magnets and Magnetostriction Elements; Caps, Clips, and Contacts, Electrical.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
334413 – Semiconductor and Related Device Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541519 – Other Computer Related Services
334417 – Electronic Connector Manufacturing

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

Description
Modification of Equipment: Clothing, Individual Equipment, and Insignia

Possible NAICS Codes
811490 – Other Personal and Household Goods Repair and Maintenance
315210 – Cut and Sew Apparel Contractors
313320 – Fabric Coating Mills
315250 – Cut and Sew Apparel Manufacturing (except Contractors)
812332 – Industrial Launderers
811121 – Automotive Body, Paint, and Interior Repair and Maintenance
541490 – Other Specialized Design Services
459130 – Sewing, Needlework, and Piece Goods Retailers
458110 – Clothing and Clothing Accessories Retailers
339920 – Sporting and Athletic Goods Manufacturing

Description
Bushings, Rings, Shims and Spacers

Includes
Externally Threaded Rings; Keyed and Serrated Lock Rings; Dee Rings; Instrument Retaining Rings; Shim Sets and Assortments; Plate Spacers; Ring Spacers; Sleeve Spacers; Stepped Spacers; Spacer Sets and Assortments; Sleeve Bushings; Machine Threaded Bushings; Machine Threaded Plugs.

Excludes
Sleeve Bearings (FSC 3120); Pipe Threaded Plugs (FSC 4730); Piston Rings (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310 and 4820); Retaining Rings (FSC 5325); Shim Stock (FSC 9515).

Notes
All items, including specially designed, will be classified in this FSC. a. A bushing is cylindrical in shape, hollow, and designed primarily to be inserted into a hole to reduce the effective inside diameter of the hole, and to protect the body structure about the hole, and to protect the body structure about the hole from damage resulting from stress, strain, and vibration. b. A ring is cylindrical in shape, usually flat with a center hole. Rings are multi-applicational. See specific item name for designated usage. c. A shim is a thin, sometimes tapered, piece of material used to fill in space between things. See specific item name for dimensional parameters. d. A spacer is a device for holding two members at a given distance from each other.

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332119 – Metal Crown, Closure, and Other Metal Stamping (except Automotive)
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332439 – Other Metal Container Manufacturing

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