Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21494 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 21494 It is listed as Seal Shear. component manufactured by Barksdale Inc, specifically under CAGE Code 89326. It is also accompanied by the NSN 5330010755880 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.