>> Search results for: EC20B NSN Search Results National Stock Number (NSN) Description 4820-01-161-0148, 4820011610148 VALVE,CHECK 4820-01-316-4567 , 4820013164567 VALVE,CHECK 4820-01-338-2018, 4820013382018 VALVE,CHECK 1 Related Inventory EC20B4820013164567Condition NSVALVE Readily AvailableAdd to RFQ Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information