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 658

Full Class List > 658: Pipe, Tubing, and Accessories, Not Fittings

Code	Description
658-02	Brass, Plumbing Tubular Goods
658-04	Pipe, Alloy Steel, Chrome, Chrome-Moly, Ferrous and Non Ferrous Alloy, Stainless
658-09	Pipe, Aluminum, Lead, Magnesium. Metal. Tin. Titanium, Zinc
658-18	Pipe, Bituminized Fiber, Concrete, Clay, Fiberglass, Rubber, Terra Cotta
658-22	Pipe, Brass, Bronze, Copper
658-46	Pipe, Iron, Including Ductile Iron Pipe and Cast Iron Pipe
658-56	Pipe, Plastic, Including Fiber Reinforced Plastic Pipe, Polybutylene Pipe, PVC
658-80	Pipe, Steel, Stainless Steel and Wrought Steel
658-81	Pipe, Threaded
658-88	Tubing: Brass, Bronze, and Copper (See 570-91 for Structural Tubing)
658-89	Tubing, Ferrous and Non-Ferrous Alloy
658-90	Tubing: Iron, Lead, Magnesium
658-91	Tubing, Plastic and PVC
658-94	Tubing, Stainless Steel (See 570-91 for Structural Tubing)
658-96	Recycled Pipe and Tubing
658-97	Tubing (Not Otherwise Classified)