>> Search results for: B31181PIECE127 NSN Search Results National Stock Number (NSN) Description 4310-01-145-5614, 4310011455614 Cancelled -> Replaced by 4820012045233 4310-01-145-7659 , 4310011457659 GUARD 4820-01-145-1885, 4820011451885 SEAT,VALVE 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