>> Search results for: Y23631A4 NSN Search Results National Stock Number (NSN) Description 5330-99-169-0488, 5330991690488 RING,SEALING,TOROID 5330-99-033-3543 , 5330990333543 SEAL 4820-99-663-4924, 4820996634924 PLUG COCK 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