FAQs Have questions? We have answers! Can you supply Military parts with Traceability? Yes, when it comes to obsolete military components we offer a variety options to determine the authenticity, such as De-Lidding X-ray verification JAN screening. Does Cornerstone offer Net Terms? Yes we offer Terms to qualified customers. Terms are based on credit worthiness. Do you offer scheduled orders with warehousing? We are always willing to schedule orders to ensure you are getting the best price available, and delivery as you need it. Does Cornerstone take Credit Cards Yes, we accept Visa, MasterCard, and American Express If I submit my information on your website how will it be used? We never sell your information! We may use it to follow up on your order, or check in with you from time to time. We are the only ones who will ever see/ use your information and only for the purpose of servicing you as a customer. How do I join the team at Cornerstone? We are always looking to expand our team. Check out our Careers page and submit your resume. What is your cutoff for same day delivery? Standard cutoff is 4PM Eastern standard time. Under special circumstances we can push that to as late as 6:30 eastern time. What is your return policy? Items that do not meet Form, Fit or Function requirements can be returned at any time (an approved test report may be required). We have a standard 30-day return policy for all other items. Do you charge fees for credit card order? No, we never charge a fee to use a credit card. What are your hours of operation? Our office is open from 9 to 5 Eastern Standard Time. However, emails are monitored 24 hours a day. If you can’t get us on the phone submit a request online and we will get back to you right away.