>> Search results for: PP1857 NSN Search Results National Stock Number (NSN) Description 5355-00-446-1975, 5355004461975 Cancelled -> Replaced by 5355006442391 5331-01-078-4323 , 5331010784323 O-RING 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