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 691

Full Class List > 691: Power Transmission Equipment: Electrical, Mechanical, Air and Hydraulic

Code	Description
691-28	Chains Roller, Table Top, Engineering, Silent
691-31	Clutches and Brakes: Pneumatic, Electric, Torque Limiting, Tension Control
691-34	Couplings: Jaw, Steel Flex, Gear, Fluid, Chain, Disc Brake
691-39	Drives, Variable Speed: AC, AC Flux Vector, DC, Eddy Current, Mechanical, Variable Speed Pulleys, Hydrostatic Speed Variation
691-51	Motion Components, Linear: Shafts, Bearings, Support Blocks, Slides, Ball Screw
691-52	Motors: AC, DC, Vector Duty, Washdown, Brake, Stainless (Also See Class 285)
691-57	Pneumatics: Valves, Cylinders, Filters, Regulators, Lubricators, Including Parts and Accessories
691-62	Recycled Power Transmission Equipment, Including Parts and Accessories
691-63	Reducers: In-Line, Worm Gear, Right Angle, Parallel, Bevel, Mixer, Shaft Mount, Screw Conveyor
691-73	Sheaves and Belt Sprockets: V-Belt, Poly Chain, HTD, Timing Sprockets
691-75	Sprockets and Gears: Roller Chain, Engineering, Split, Table Top, Plastic, Spur, Bevel, Helical, Rack and Pinion Gearing