>> Search results for: 2640257 NSN Search Results National Stock Number (NSN) Description 4820-01-269-0035, 4820012690035 DISK,VALVE 4820-00-326-5797 , 4820003265797 Cancelled -> Replaced by 4820012551867 5330-00-860-5125, 5330008605125 GASKET 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