Industrial Hardware for Defense & Mil-Spec: Precision, Reliability & Support from Main Source Distribution When it comes to defense, aerospace, and mission-critical industrial systems, every component must meet exacting standards. At Main Source Distribution you’ll find a robust catalog of industrial supplies and hardware designed specifically for the demands of mil-spec and defense applications. From fasteners and assembly hardware to specialty sourcing and systems integration, our offerings...

Main Source Distribution Receives Certificate of Excellence from Trelleborg Sealing Solutions/Northborough Aerospace for Outstanding On-Time Delivery Performance