>> Search results for: C42521 NSN Search Results National Stock Number (NSN) Description 4820-00-635-2214, 4820006352214 VALVE ASSEMBLY,MANIFOLD 3655-00-870-3302 , 3655008703302 Cancelled -> Replaced by 3655006351678 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