>> Search results for: 8542009 NSN Search Results National Stock Number (NSN) Description 4820-01-408-6996, 4820014086996 SEAT,VALVE 4820-01-423-7598 , 4820014237598 SEAT,VALVE 4820-01-434-3848, 4820014343848 SEAT,VALVE 4820-01-463-0158 , 4820014630158 Cancelled -> Replaced by 4820014328140 4820-01-234-8453, 4820012348453 SEAT,VALVE 4820-01-269-9556 , 4820012699556 SEAT,VALVE 4820-01-432-8140, 4820014328140 SEAT,VALVE 4820-01-343-7308 , 4820013437308 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