>> Search results for: 53B3751 NSN Search Results National Stock Number (NSN) Description 4730-00-821-2481, 4730008212481 Cancelled -> Replaced by 4730009622838 8475-00-919-2074 , 8475009192074 COUPLING ASSEMBLY,A 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