>> Search results for: S413Y NSN Search Results National Stock Number (NSN) Description 4920-01-505-2230, 4920015052230 CHECK VALVE,AIRCRAF 4820-01-550-0236 , 4820015500236 VALVE,CHECK 4820-00-285-6087, 4820002856087 VALVE,CHECK 4820-01-539-6434 , 4820015396434 VALVE,CHECK 4820-01-539-6449, 4820015396449 VALVE,CHECK 4820-01-730-9262 , 4820017309262 VALVE,CHECK 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