>> Search results for: AT20A012 NSN Search Results National Stock Number (NSN) Description 3120-01-041-9740, 3120010419740 Cancelled -> Replaced by 3120000409250 3120-01-172-5511 , 3120011725511 Cancelled -> Replaced by 3120010419740 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