>> Search results for: S1E1016402ITEMNO3 NSN Search Results National Stock Number (NSN) Description 4820-01-633-1523, 4820016331523 VALVE,CROSS 4820-01-633-3263 , 4820016333263 VALVE-HAND,BYPASS 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