>> Search results for: 4B3740 NSN Search Results National Stock Number (NSN) Description 2990-00-423-9315, 2990004239315 SHAFT,STARTING CRAN 5970-15-117-9446 , 5970151179446 INSULATOR (1), PLAT 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