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 659

Full Class List > 659: Pipe and Tubing Fittings

Code Description
659-06 Adapters
659-16 Bands
659-17 Bends
659-24 Bushings
659-27 Caps
659-30 Connectors
659-33 Couplings
659-36 Crosses, Crossovers, Curves
659-39 Elbows, Miscellaneous
659-40 Elbows, Steel
659-41 Elbows, Other than Steel
659-42 Ells
659-43 Extensions, Pipe
659-44 Ferrules, Flanges, Glands
659-47 Hubs, Increasers, Inserts, Joints
659-50 Laterals, Nipples
659-51 Lining, Pipe, Cement, Cure-in-place, Epoxy, Trenchless, etc.
659-54 Offsets, Plugs, Pipe Rests
659-55 Pipe Repair Clamps, Couplings, Leak Kits, etc.
659-65 Reducers
659-73 Saddles, Sleeves, Straps
659-78 Tubing Fittings: Brass, Bronze, and Copper
659-79 Tubing Fittings, Plastic, PVC
659-80 Tubing Fittings, Stainless Steel
659-81 Tubing Fittings, Steel
659-83 Tees, Compression, Miscellaneous
659-84 Tees, Steel
659-85 Tees, Other Than Steel
659-87 Unions
659-90 Vees (V)
659-94 Wyes (Y)
659-96 Recycled Pipe and Tubing Fittings
659-97 Pipe Fittings, Misc. (Not Otherwise Classified)