
Regulator Mounting Hardware, Compatible with Grainger Part Number 3NA77, 3NA78, 3NA79, 3NA80, Compatible with Manufacturer Part Number PR4021-200, PR4021-300, PR4031-200, PR4031-300, Body Material Steel, Compatible with Series PR-4000, Includes Bracket, Modular Connection Modular Connection, Overall Height 1 13/16 in, Overall Length 3 in, Overall Width 2 1/2 in
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Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.