>> Search results for: NB17638 NSN Search Results National Stock Number (NSN) Description 4820-99-556-8875, 4820995568875 VALVE ASSEMBLY,PRES 4820-99-560-2761 , 4820995602761 GAUGE CONNECTION AS 1 Related Inventory 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