>> Search results for: KB21353 NSN Search Results National Stock Number (NSN) Description 5365-00-001-5057, 5365000015057 RING,SEALING 5330-99-606-5990 , 5330996065990 RING,SEALING,TOROID 1 Related Inventory KB21353Condition FNSEAL Readily AvailableAdd to RFQ 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