>> Search results for: MBC300 NSN Search Results National Stock Number (NSN) Description 5998-01-437-1557, 5998014371557 BACKPLANE ASSEMBLY 6120-01-675-0344 , 6120016750344 POWER SUPPLY 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