14N5511           This Item Up For Offer is a    ONAN     5 KW  AND 15KW    MILITARY DIESEL GENERATOR TACTICAL SKID MOUNTED    P/N  520-1129      STUD    THREADED  5/16-18  AND  5/16-20     1.470" LONG    FITS ON FUEL INJECTION PUMP TO ENGINE.    NOTE: Part is Number (10) in Picture Drawing # 4.    Condition New and Unused, From Government Surplus Old Stock.    Comes in it's Original Zip Lock Bag.    NSN Number 5307-01-049-8118.    Made in the USA by  ONAN.