Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number PL HD 4 MK 2 IT1 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 PL HD 4 MK 2 IT1 It is listed as Valve Safety Relief. component manufactured by A S Vesta, specifically under CAGE Code R0288. It is also accompanied by the NSN 4820222581864 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.