NIGP Codes

NIGP Class and Class Item Codes identify the scope(s) of work as defined by the National Institute of Governmental Procurements. This five-digit code establishes and defines the detailed scope(s) of work for the contract. The first three digits of the NIGP code represents the Class or broad category of the work to be performed, and the second two digits of the NIGP code identify a more specific focus of work within the Class category.

Items for NIGP Class 557

Full Class List > 557: Mass Transportation, Transit Bus Accessories and Parts

Code	Description
557-05	Air Conditioning, Heating and Ventilation
557-10	Axles, Including Suspension, Springs, Shocks, Struts, etc.
557-12	Bicycle Racks for Transit Buses
557-15	Body Panels, Frames, Trim, and Parts
557-20	Brake Parts/Linings
557-22	Communications Equipment and Accessories, Transit Bus
557-23	Cooling System Parts and Accessories
557-25	Electrical Accessories and Parts, Not Lighting
557-30	Engines, Complete
557-32	Exhaust System Parts and Accessories
557-33	Engine Parts
557-34	Filters: Air, Fuel, Oil, etc.
557-35	Floors, Matting
557-36	Fuel System Parts and Accessories
557-37	Gauges and Meters, Including Speedometers
557-38	Hubodometers
557-40	Glazing and Mirrors: Window, Door and Windshield Glass
557-44	Insulation, Transit Bus
557-50	Lamps, Lighting, Lens, and Signals, Interior and Exterior
557-52	Lubricating Systems and Parts (See 557-34 for Filters)
557-53	Power and Drive Train Components and Parts, Transit Bus
557-54	Radiators, Heater Cores, etc.
557-55	Reflectors
557-56	Recycled Transit Bus Parts and Accessories
557-60	Seating and Upholstery
557-62	Signage, Advertising Type, Interior and Exterior
557-63	Signage, Destination and Route
557-64	Stanchions and Grab Rails
557-65	Steering Components and Parts
557-70	Tanks: Air, Fuel, Water
557-75	Transmissions, Complete
557-78	Transmission Parts
557-80	Undercarriage and Frame, Including Alignment Parts
557-85	Wheels, Parts, and Accessories
557-90	Wheelchair Lifts and Accessories
557-92	Windows and Doors Including Parts and Accessories
557-93	Windshield Wipers, Washers, Parts and Accessories