Description
Guns, through 30 mm

Includes
Machine guns; Brushes, Machine Gun and Pistol.

Excludes
Turrets, Aircraft.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Includes
Adapters; Anchor Plates and Straps; Anodes; Bellows; Couplings; Control Rods; Access Doors; Fairleads; Mounts; Tie Rods; Yokes.

Excludes
Commercial Hardware (FSC 5340).

Notes
Hardware designed for weapon systems unique applications will be classified in this FSC.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332510 – Hardware Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336411 – Aircraft Manufacturing
333618 – Other Engine Equipment Manufacturing
332710 – Machine Shops
333120 – Construction Machinery Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing

Includes
Panel, Delivery and Pick Up Trucks, Tactical and Administrative Military Cargo Carrying Vehicles, including Wheel Mounted Amphibian Vehicles; Truck Tractor and Trailer Combinations; Armored Cars.

Excludes
Fire Trucks; Special Construction Type Earth and Rock Hauling Trucks; Motorized Air Compressors; Motorized Concrete Mixers; Construction Specialized Machinery Generally; Specially designed trucks for use in and around, airfields, hangars, and warehouses; Tracked and Halftracked Vehicles.

Notes
This class includes only complete wheel mounted trucks and truck tractors, and chassis therefore. Any end items, assemblies, parts, attachments, or accessories other than complete chassis, for use in or on such trucks or truck tractors are classified in classes other than this class. The combined chassis and body of a special purpose truck, such as a machine shop, mobile laundry, or dental laboratory, is classified in this class. The complete mobile unit, consisting of chassis, body, and additional equipment, as in an equipped truck mounted machine shop, is excluded from this class.

Possible NAICS Codes
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
336120 – Heavy Duty Truck Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
493110 – General Warehousing and Storage
336211 – Motor Vehicle Body Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336212 – Truck Trailer Manufacturing

Includes
Line Throwing Guns; Catapult Guns; Bayonets; Saluting Guns; Signal Guns; Flare Guns; Barrage Balloons; Accessories, not elsewhere classifiable, for Weapons in this group; Expendable Bomb Dispensers.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
332215 – Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing
332992 – Small Arms Ammunition Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332993 – Ammunition (except Small Arms) Manufacturing
339999 – All Other Miscellaneous Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component 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
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Description
Guns, 75 mm through 125 mm

Includes
Breech Mechanisms; Mounts; Rammers.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332710 – Machine Shops
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
332111 – Iron and Steel Forging
339993 – Fastener, Button, Needle, and Pin Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
339991 – Gasket, Packing, and Sealing Device 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
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
339950 – Sign Manufacturing
332510 – Hardware Manufacturing
424490 – Other Grocery and Related Products Merchant Wholesalers

Includes
Adapters; Bends; Caps; Clamps; Connectors; Couplings; Crosses; Elbows; Expansion Joints; Ferrules; Flanges; Laterals; Lubrication Fittings; Manifolds; Nipples; Nozzles; Outlets; Plugs; Reducers; Swing and Swivel Joints; Tees; Traps; Unions; Wyes.

Excludes
Air Conditioning-Heating Fittings (FSC 4520); Bituminized Fiber and Concrete Fittings (FSC 5630); Conduit Boxes and Fittings (FSC 5975); Downspout Fittings (FSC 5670); Medical and Surgical Fittings (FSC 6515); Laboratory Fittings (FSC 6640); Post Caps and Rail Ends (FSC 5660); Machine Thread Bushings and Plugs (FSC 5365).

Possible NAICS Codes
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Automobile Seat Covers; Shock Absorber, Bumper; Windshield Wipers; Bumper Guards; Mirrors, Rear View and Side View; Vehicle Heaters.

Excludes
Speedometers (FSC 6680); Suspension Type Shock Absorbers (FSC 2510).

Possible NAICS Codes
336390 – Other Motor Vehicle Parts Manufacturing
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
336211 – Motor Vehicle Body Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Description
Hardware

Includes
Access Covers; Bumpers; Casters; Cabinet and Door Hardware; Clevises; Hinges; Latches; Straps and Strapping; Turnbuckles; Webbed Straps.

Excludes
Weapons System Hardware (5342).

Notes
Common hardware designed primarily for commercial use will be classified in this FSC. Hardware is the physical, tangible, and permanent components of end items that may not be classified elsewhere. It consists also of common items that are commonly used in construction and/or manufacturing (e.g., hinges, door locks).

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
339999 – All Other Miscellaneous Manufacturing
423710 – Hardware Merchant Wholesalers
333618 – Other Engine Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
444140 – Hardware Retailers
333120 – Construction Machinery Manufacturing

Includes
Components for all Engines except Aircraft and Guided Missile Prime Moving.

Excludes
Air and Oil Filters (FSC 4310, 4330), Strainers (FSC 4730), and Cleaners (FSC 4310) not specifically designed for use with engines.

Possible NAICS Codes
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332510 – Hardware Manufacturing
333120 – Construction Machinery Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Description
Guns, over 30 mm up to 75 mm

Includes
Breech Mechanisms; Mounts Grenade Launchers for Integral-Cartridge Grenades, Single-Shot or Auto-Loading or Automatic-Firing.

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
332710 – Machine Shops
332992 – Small Arms Ammunition Manufacturing
332993 – Ammunition (except Small Arms) Manufacturing

Excludes
Laboratory Centrifuges (FSG 65 and 66); Water Purification Filters (FSC 4610).

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
339950 – Sign Manufacturing
336211 – Motor Vehicle Body Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Description
Guns, over 150 mm through 200 mm Includes Firing Platforms; Mounts; Gun Shields.

Includes
[Firing Platforms; Mounts; Gun Shields.]

Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332710 – Machine Shops
332111 – Iron and Steel Forging
339993 – Fastener, Button, Needle, and Pin Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
332312 – Fabricated Structural Metal Manufacturing
321920 – Wood Container and Pallet Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
339994 – Broom, Brush, and Mop 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
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
332510 – Hardware Manufacturing
322299 – All Other Converted Paper Product Manufacturing
331529 – Other Nonferrous Metal Foundries (except Die-Casting)
332721 – Precision Turned Product Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332912 – Fluid Power Valve and Hose Fitting Manufacturing