The following Product Service Codes (PSCs) are commonly associated with NAICS 221121, Electric Bulk Power Transmission and Control

PSC 6150 Miscellaneous Electric Power and Distribution Equipment

Products

PSC 6130 Converters, Electrical, Nonrotating

Products
Federal Category 13.3: Electronic & Communication Equipment Electrical & Electronics Equipment

Includes
Complete Battery Charging Equipment, Nonrotating; Power Sup-plies, Multiapplication.

Excludes
Rectifying Tubes; (FSC 5960); Rectifying Crystals (FSC 5961); Rotating Equipment (FSC 6125); Transformers (FSC 5950); and Semiconductor Devices and Associated Hardware (FSC 5961).

Notes
This class includes devices employing a means other than mechanical rotation for changing electrical energy from one form to another (i.e., AC to AC, DC to DC, AC to DC, and DC to AC).

Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
335312 – Motor and Generator Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333241 – Food Product Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336611 – Ship Building and Repairing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334412 – Bare Printed Circuit Board Manufacturing

PSC 6160 Miscellaneous Battery Retaining Fixtures, Liners and Ancillary Items

Products

PSC 5340 Hardware, Commercial

Products
Federal Category 5.3: Industrial Products & Services Hardware & Tools

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
444110 – Home Centers
423710 – Hardware Merchant Wholesalers
333618 – Other Engine Equipment Manufacturing
339999 – All Other Miscellaneous Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336411 – Aircraft Manufacturing
333120 – Construction Machinery Manufacturing

PSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware

Products