There are discrepancies in your subject posting: BASED ON THE PART # YOU REQUESTED, the only correct Parker Kittiwake description and NSN that exist apply are highlighted below, #FG-K4-100-KW-A Parker Kittiwake EasySHIP Oil Test Centre vers. A with Unheated Viscometer *Oil Test Centre contains: electronic console, test cells, unheated viscometer, reagents and supplies to test oil for Water, TBN, Insolubles and Viscosity -NSN 6665015571461