>> Search results for: 57F240 NSN Search Results National Stock Number (NSN) Description 5350-01-455-0879, 5350014550879 PUMICE 5355-01-527-0963 , 5355015270963 KNOB 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