>> Search results for: D28931 NSN Search Results National Stock Number (NSN) Description 3120-00-391-5931, 3120003915931 BEARING,SLEEVE 4925-99-520-1586 , 4925995201586 TEST COVER,PRESSURE 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