>> Search results for: BMS517ITEM1 NSN Search Results National Stock Number (NSN) Description 4320-01-234-6982, 4320012346982 PISTON ASSEMBLY 5330-01-239-9442 , 5330012399442 RETAINER,PACKING 5365-01-266-9322, 5365012669322 SHIM 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