>> Search results for: M4000020 NSN Search Results National Stock Number (NSN) Description 5820-01-497-8992, 5820014978992 RECEIVER-TRANSMITTER SUBASSEMBLY 2540-01-559-3321 , 2540015593321 DUAL SHELF WITH SLANTED BOTTOM 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