>> Search results for: EM23903 NSN Search Results National Stock Number (NSN) Description 2030-99-548-5439, 2030995485439 SPR1NG HOUS1NG 4320-99-768-2949 , 4320997682949 SPRING HOUSING 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