>> Search results for: HR691 NSN Search Results National Stock Number (NSN) Description 5999-01-470-6330, 5999014706330 Cancelled -> Replaced by 5999016548498 5355-01-661-7013 , 5355016617013 MASK,DIAL 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