Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 591-6220 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 591-6220 It is listed as Valve Pressure Flow. component manufactured by Mcc Powers Process Controls Div, specifically under CAGE Code 91424. It is also accompanied by the NSN 4820007774568 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.