>> Search results for: 3900T21P01 NSN Search Results National Stock Number (NSN) Description 5340-00-994-3933, 5340009943933 Cancelled -> Replaced by 2840000339187 5340-00-994-3933 , 5340009943933 Cancelled -> Replaced by 2840000339187 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