Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 021391-001 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 021391-001 It is listed as Stop Mechanical. component manufactured by Automatic Switch Company, specifically under CAGE Code 04845. It is also accompanied by the NSN 5340014327634 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5340 Hardware Commercial.