>> Search results for: 639AS858 NSN Search Results National Stock Number (NSN) Description 5330-01-135-3669, 5330011353669 SEAL,CUP ASSY 5330-01-135-3669 , 5330011353669 SEAL,CUP ASSY 1 Related Inventory 639AS8581427011353669Condition NSGASKET Readily AvailableAdd to RFQ 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