Overview Product Description 195582 New-No Box; MFG- 5Z764 Vacuum/Pressure Relief Valve; 3/8"NPT; 0-14.7PSI; . Item is New; unused; no factory packaging. Austin Surplus SKU: 195582 Location: GRG-R11-P09-S04-E-0000411 Product Videos Custom Field MPN 5Z764 Product Reviews